Module:Convert/data: Difference between revisions

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>Johnuniq
(fix Rankine)
>Johnuniq
(some extra units and tweaks; note that defaultunits now defined by wikitext)
Line 9: Line 9:
     defaultunits    default output exceptions ('Mg' and 'g' have different defaults)
     defaultunits    default output exceptions ('Mg' and 'g' have different defaults)


SIprefixes and defaultunits are maintained by editing this file.
SIprefixes is maintained by editing this file.
However, the units table is generated by a script which reads the wikitext
However, the units and defaultunits tables are generated by a script which reads
for a wiki page that documents properties of units.
the wikitext for a wiki page that documents properties of units.
The wiki page is currently:
The wiki page is currently:
http://en.wikipedia.org/wiki/User:Johnuniq/Conversion_data
http://en.wikipedia.org/wiki/User:Johnuniq/Conversion_data
Line 169: Line 169:
scale    = 1,
scale    = 1,
prefixes = 1,
prefixes = 1,
default  = "ftin",
default  = "ft",
link    = "Metre",
link    = "Metre",
     },
     },
Line 181: Line 181:
utype    = "length",
utype    = "length",
scale    = 1e-006,
scale    = 1e-006,
default  = "ftin",
default  = "ft",
link    = "Metre",
link    = "Metre",
     },
     },
Line 193: Line 193:
utype    = "length",
utype    = "length",
scale    = 1e-006,
scale    = 1e-006,
default  = "ftin",
default  = "ft",
link    = "Metre",
link    = "Metre",
     },
     },
Line 615: Line 615:
     },
     },
     ["sqmi"] = {
     ["sqmi"] = {
name1    = "square mile",
name1_us = "square mile",
name2    = "square miles",
name2_us = "square miles",
symbol  = "sq mi",
sym_us  = "sq mi",
utype    = "area",
scale    = 2589988.110336,
default  = "km2",
link    = "Square mile",
    },
    ["mi2"] = {
name1    = "square mile",
name1    = "square mile",
name1_us = "square mile",
name1_us = "square mile",
Line 755: Line 767:
symbol  = "dunam",
symbol  = "dunam",
sym_us  = "dunam",
sym_us  = "dunam",
usename  = 1,
utype    = "area",
scale    = 1000,
default  = "sqmi km2",
link    = "Dunam",
    },
    ["donum"] = {
name1    = "donum",
name1_us = "donum",
name2    = "donums",
name2_us = "donums",
symbol  = "donum",
sym_us  = "donum",
usename  = 1,
utype    = "area",
scale    = 1000,
default  = "sqmi km2",
link    = "Dunam",
    },
    ["dunum"] = {
name1    = "dunum",
name1_us = "dunum",
name2    = "dunums",
name2_us = "dunums",
symbol  = "dunum",
sym_us  = "dunum",
usename  = 1,
utype    = "area",
scale    = 1000,
default  = "sqmi km2",
link    = "Dunam",
    },
    ["dönüm"] = {
name1    = "dönüm",
name1_us = "dönüm",
name2    = "dönüms",
name2_us = "dönüms",
symbol  = "dönüm",
sym_us  = "dönüm",
usename  = 1,
utype    = "area",
scale    = 1000,
default  = "sqmi km2",
link    = "Dunam",
    },
    ["donum diaeresis"] = {
name1    = "dönüm",
name1_us = "dönüm",
name2    = "dönüms",
name2_us = "dönüms",
symbol  = "dönüm",
sym_us  = "dönüm",
usename  = 1,
utype    = "area",
scale    = 1000,
default  = "sqmi km2",
link    = "Dunam",
    },
    ["donum dots"] = {
name1    = "dönüm",
name1_us = "dönüm",
name2    = "dönüms",
name2_us = "dönüms",
symbol  = "dönüm",
sym_us  = "dönüm",
usename  = 1,
usename  = 1,
utype    = "area",
utype    = "area",
Line 7,191: Line 7,268:
}
}


---------------------------------------------------------------------------
-- Do not change the data in this table because it is created by running --
-- a script that reads the wikitext from a wiki page (see note above).  --
---------------------------------------------------------------------------
local defaultunits = {
local defaultunits = {
     lookup = function (self, unit_table)
     lookup = function (self, value, unit_table)
         -- Return true, s where s = name of unit's default output unit (or false, message).
         -- Return true, s where s = name of unit's default output unit,
        -- or, return false, message.
        -- Some units have a different default depending on the value of the
        -- input value (the first value if a range of values is used).
        -- These exceptions are special-cased here (and the code requires the
        -- unit to be in the following table, even if it repeats the default
        -- in the main units table).
        -- When it is known how many exceptions are wanted, it might be worth
        -- handling the exceptions another way.
         local baseunit = unit_table.baseunit
         local baseunit = unit_table.baseunit
         local prefix = unit_table.prefix
         local prefix = unit_table.prefix
         local unit = prefix .. baseunit
         local unit = prefix .. baseunit
         local default = self[unit]
         local default = self[unit]
         if default ~= nil then return true, default end
         if default ~= nil then
            if unit == 'm' and 0 < value and value < 3 then
                default = 'ftin'
            end
            return true, default
        end
         local t = units[baseunit]
         local t = units[baseunit]
         if t ~= nil then
         if t ~= nil then
             local default = t.default
             default = t.default
             if default ~= nil then return true, default end
             if default ~= nil then return true, default end
         end
         end
Line 7,208: Line 7,302:
     end,
     end,
     -- Prefixed units with a default different from that of the base unit.
     -- Prefixed units with a default different from that of the base unit.
     -- TODO This should be defined in the wiki data.
     ["Mg"] = "LT ST",
     ['kg'] = 'lb',
     ["Gg"] = "lb",
     ['Mg'] = 'lb',
     ["pm"] = "in",
     ['Gg'] = 'lb',
     ["nm"] = "in",
     ['pm'] = 'in',
     ["µm"] = "in",
     ['nm'] = 'in',
     ["um"] = "in",
     ['um'] = 'in',
     ["micrometre"] = "in",
     ['mm'] = 'in',
     ["mm"] = "in",
     ['cm'] = 'in',
     ["cm"] = "in",
     ['dm'] = 'in',
     ["dm"] = "in",
     ['dam'] = 'ft',
     ["m"] = "ft",
     ['Hm'] = 'yd',
     ["hm"] = "yd",
     ['km'] = 'mi',
    ["Hm"] = "yd",
     ['Mm'] = 'mi',
     ["km"] = "mi",
     ['mL'] = 'impoz',
     ["Mm"] = "mi",
     ['cL'] = 'impoz',
     ["ml"] = "impoz USoz",
     ['dL'] = 'impoz',
    ["cl"] = "impoz USoz",
     ['daL'] = 'impgal',
    ["dl"] = "impoz USoz",
     ['HL'] = 'impgal',
     ["µl"] = "cuin",
    ["mL"] = "impoz USoz",
     ["cL"] = "impoz USoz",
     ["dL"] = "impoz USoz",
     ["µL"] = "cuin",
}
}



Revision as of 21:21, 31 October 2012

Documentation for this module may be created at Module:Convert/data/doc

--[[
This module contains most conversion data used by Module:Convert.
This is a separate file on the assumption that the bytecode will be cached,
and having Module:Convert "require" this should not be slow.

Three data tables follow:
    SIprefixes      prefixes like 'M' (mega, 10^6)
    units           all properties for a unit, including default output
    defaultunits    default output exceptions ('Mg' and 'g' have different defaults)

SIprefixes is maintained by editing this file.
However, the units and defaultunits tables are generated by a script which reads
the wikitext for a wiki page that documents properties of units.
The wiki page is currently:
http://en.wikipedia.org/wiki/User:Johnuniq/Conversion_data

Check values at:
http://en.wikipedia.org/wiki/Template:Convert/list_of_units
http://en.wikipedia.org/wiki/Conversion_of_units
]]

local function clonetable(t)
    -- Return a shallow copy of t.
    local result = {}
    for k, v in pairs(t) do
        result[k] = v
    end
    return result
end

local function shouldbe(ucode, shouldbe)
    -- Return an error message for a unit that "should be" something else.
    -- Old Template:Convert outputs a much more elaborate message.
    -- LATER: Decide if "shouldbe" is useful, and what to output if it is.
    return 'ERROR: Use "' .. shouldbe .. '" (not "' .. ucode .. '") as the unit code.'
end

local SIprefixes = {
    -- The prefix field is what the prefix should be.
    -- LATER: Is it desirable to accept 'H' (should be 'h') and 'D' (should be 'd')?
    ['Y'] = { exponent = 24, prefix = 'Y' , name = 'yotta', name_us = 'yotta' },
    ['Z'] = { exponent = 21, prefix = 'Z' , name = 'zetta', name_us = 'zetta' },
    ['E'] = { exponent = 18, prefix = 'E' , name = 'exa'  , name_us = 'exa'   },
    ['P'] = { exponent = 15, prefix = 'P' , name = 'peta' , name_us = 'peta'  },
    ['T'] = { exponent = 12, prefix = 'T' , name = 'tera' , name_us = 'tera'  },
    ['G'] = { exponent =  9, prefix = 'G' , name = 'giga' , name_us = 'giga'  },
    ['M'] = { exponent =  6, prefix = 'M' , name = 'mega' , name_us = 'mega'  },
    ['k'] = { exponent =  3, prefix = 'k' , name = 'kilo' , name_us = 'kilo'  },
    ['H'] = { exponent =  2, prefix = 'h' , name = 'hecto', name_us = 'hecto' },  -- not an SI prefix, but allow for people typing this
    ['h'] = { exponent =  2, prefix = 'h' , name = 'hecto', name_us = 'hecto' },
    ['da']= { exponent =  1, prefix = 'da', name = 'deca' , name_us = 'deka'  },
    ['D'] = { exponent =  1, prefix = 'da', name = 'deca' , name_us = 'deka'  },  -- not an SI prefix, but allow for people typing this
    ['d'] = { exponent = -1, prefix = 'd' , name = 'deci' , name_us = 'deci'  },
    ['c'] = { exponent = -2, prefix = 'c' , name = 'centi', name_us = 'centi' },
    ['m'] = { exponent = -3, prefix = 'm' , name = 'milli', name_us = 'milli' },
    ['μ'] = { exponent = -6, prefix = 'µ' , name = 'micro', name_us = 'micro' },  -- key = 'GREEK SMALL LETTER MU' (U+03BC) utf-8 CE BC
    ['µ'] = { exponent = -6, prefix = 'µ' , name = 'micro', name_us = 'micro' },  -- key = 'MICRO SIGN' (U+00B5) utf-8 C2 B5
    ['u'] = { exponent = -6, prefix = 'µ' , name = 'micro', name_us = 'micro' },  -- not an SI prefix, but allow for people typing this
    ['n'] = { exponent = -9, prefix = 'n' , name = 'nano' , name_us = 'nano'  },
    ['p'] = { exponent =-12, prefix = 'p' , name = 'pico' , name_us = 'pico'  },
    ['f'] = { exponent =-15, prefix = 'f' , name = 'femto', name_us = 'femto' },
    ['a'] = { exponent =-18, prefix = 'a' , name = 'atto' , name_us = 'atto'  },
    ['z'] = { exponent =-21, prefix = 'z' , name = 'zepto', name_us = 'zepto' },
    ['y'] = { exponent =-24, prefix = 'y' , name = 'yocto', name_us = 'yocto' },
}

local usesubstitute = {
    -- If unit has an SI prefix, these fields may have "%s" where prefix belongs.
    'name1',
    'name1_us',
    'name2',
    'name2_us',
    'link',
}

local function set_prefixes(unit, prefixname)
    -- Insert given prefix name into the fields which require it
    -- (and which should contain '%s' to be replaced with the prefix).
    -- Pity we have to do all this work when most results are not needed,
    -- but it's cleaner to do it here rather than in final processing.
    if unit.prefixes then
        for _, name in ipairs(usesubstitute) do
            local value = unit[name]
            unit[name] = value:gsub('%%s', prefixname, 1)
        end
    end
end

---------------------------------------------------------------------------
-- Do not change the data in this table because it is created by running --
-- a script that reads the wikitext from a wiki page (see note above).   --
---------------------------------------------------------------------------
local units = {
    lookup = function (self, unit, sp, allowmultiple)
        -- Return true, t where t is the unit's converter table (or false, message).
        -- Parameter 'sp' is 'us' for US spelling of prefixes, or nil.
        -- Parameter 'allowmultiple' is true to accept combination units.
        -- Parameter 'unit' is a symbol (like 'g'), with an optional SI prefix (like 'kg').
        -- If, for example, 'kg' is in this table, that entry is used;
        -- otherwise the prefix ('k') is applied to the base unit ('g').
        -- Alternatively, if allowmultiple, the 'unit' may be a known combination code,
        -- in which case a table of multiple units is included in the result.
        local t = self[unit]
        if t ~= nil then
            if t.shouldbe then
                return false, shouldbe(t.shouldbe, unit)
            end
            local combo = t.combination  -- nil or a table of unitcodes
            if combo then
                if not allowmultiple then
                    local msg = 'Unit %s is invalid here.[[Category:Convert unknown unit]]'
                    return false, msg:format(unit)
                end
                -- Recursively create a combination table containing the
                -- converter table of each unitcode.
                local success
                local result = { utype = t.utype, combination = {} }
                local cvt = result.combination
                for i, v in ipairs(combo) do
                    success, cvt[i] = self:lookup(v, sp)
                    if not success then return success, cvt[i] end
                end
                return true, result
            end
            local result = clonetable(t)
            set_prefixes(result, '')
            result.baseunit = unit
            result.prefix = ''
            return true, result
        end
        for plen = 2, 1, -1 do
            -- Check for longer prefix first ('dam' is decametre).
            -- Micro (µ) is two bytes in utf-8, so is found with plen = 2.
            local prefix = string.sub(unit, 1, plen)
            local si = SIprefixes[prefix]
            if si then
                local baseunit = unit:sub(plen+1)
                local t = self[baseunit]
                if t and t.prefixes then
                    local result = clonetable(t)
                    local name
                    if sp == 'us' or t.sp_us then
                        name = si.name_us
                    else
                        name = si.name
                    end
                    set_prefixes(result, name)
                    prefix = si.prefix  -- what prefix should be
                    result.symbol = prefix .. result.symbol
                    result.sym_us = prefix .. result.sym_us
                    result.baseunit = baseunit
                    result.prefix = prefix
                    result.scale = t.scale * 10 ^ (si.exponent * t.prefixes)
                    return true, result
                end
            end
        end
        local msg = 'Unit %s is not known.[[Category:Convert unknown unit]]'
        return false, msg:format(unit)
    end,
    ["m"] = {
	name1    = "%smetre",
	name1_us = "%smeter",
	name2    = "%smetres",
	name2_us = "%smeters",
	symbol   = "m",
	sym_us   = "m",
	utype    = "length",
	scale    = 1,
	prefixes = 1,
	default  = "ft",
	link     = "Metre",
    },
    ["um"] = {
	name1    = "micrometre",
	name1_us = "micrometer",
	name2    = "micrometres",
	name2_us = "micrometers",
	symbol   = "µm",
	sym_us   = "µm",
	utype    = "length",
	scale    = 1e-006,
	default  = "ft",
	link     = "Metre",
    },
    ["micrometre"] = {
	name1    = "micrometre",
	name1_us = "micrometer",
	name2    = "micrometres",
	name2_us = "micrometers",
	symbol   = "µm",
	sym_us   = "µm",
	utype    = "length",
	scale    = 1e-006,
	default  = "ft",
	link     = "Metre",
    },
    ["Å"] = {
	name1    = "ångström",
	name1_us = "ångström",
	name2    = "ångströms",
	name2_us = "ångströms",
	symbol   = "Å",
	sym_us   = "Å",
	utype    = "length",
	scale    = 0.0000000001,
	default  = "in",
	link     = "Angstrom",
    },
    ["angstrom"] = {
	name1    = "ångström",
	name1_us = "ångström",
	name2    = "ångströms",
	name2_us = "ångströms",
	symbol   = "Å",
	sym_us   = "Å",
	utype    = "length",
	scale    = 0.0000000001,
	default  = "in",
	link     = "Angstrom",
    },
    ["mi"] = {
	name1    = "mile",
	name1_us = "mile",
	name2    = "miles",
	name2_us = "miles",
	symbol   = "mi",
	sym_us   = "mi",
	utype    = "length",
	scale    = 1609.344,
	default  = "km",
	link     = "Mile",
    },
    ["furlong"] = {
	name1    = "furlong",
	name1_us = "furlong",
	name2    = "furlongs",
	name2_us = "furlongs",
	symbol   = "furlong",
	sym_us   = "furlong",
	usename  = 1,
	utype    = "length",
	scale    = 201.168,
	default  = "ft m",
	link     = "Furlong",
    },
    ["chain"] = {
	name1    = "chain",
	name1_us = "chain",
	name2    = "chains",
	name2_us = "chains",
	symbol   = "chain",
	sym_us   = "chain",
	usename  = 1,
	utype    = "length",
	scale    = 20.1168,
	default  = "ft m",
	link     = "Chain (unit)",
    },
    ["rd"] = {
	name1    = "rod",
	name1_us = "rod",
	name2    = "rods",
	name2_us = "rods",
	symbol   = "rd",
	sym_us   = "rd",
	utype    = "length",
	scale    = 5.0292,
	default  = "ft m",
	link     = "Rod (unit)",
    },
    ["pole"] = {
	name1    = "pole",
	name1_us = "pole",
	name2    = "poles",
	name2_us = "poles",
	symbol   = "pole",
	sym_us   = "pole",
	usename  = 1,
	utype    = "length",
	scale    = 5.0292,
	default  = "ft m",
	link     = "Rod (unit)",
    },
    ["perch"] = {
	name1    = "perch",
	name1_us = "perch",
	name2    = "perches",
	name2_us = "perches",
	symbol   = "perch",
	sym_us   = "perch",
	usename  = 1,
	utype    = "length",
	scale    = 5.0292,
	default  = "ft m",
	link     = "Rod (unit)",
    },
    ["fathom"] = {
	name1    = "fathom",
	name1_us = "fathom",
	name2    = "fathoms",
	name2_us = "fathoms",
	symbol   = "fathom",
	sym_us   = "fathom",
	usename  = 1,
	utype    = "length",
	scale    = 1.8288,
	default  = "ft m",
	link     = "Fathom",
    },
    ["yd"] = {
	name1    = "yard",
	name1_us = "yard",
	name2    = "yards",
	name2_us = "yards",
	symbol   = "yd",
	sym_us   = "yd",
	utype    = "length",
	scale    = 0.9144,
	default  = "m",
	link     = "Yard",
    },
    ["ft"] = {
	name1    = "foot",
	name1_us = "foot",
	name2    = "feet",
	name2_us = "feet",
	symbol   = "ft",
	sym_us   = "ft",
	utype    = "length",
	scale    = 0.3048,
	default  = "m",
	link     = "Foot (unit)",
    },
    ["feet"] = {
	shouldbe = "ft",
    },
    ["foot"] = {
	name1    = "foot",
	name1_us = "foot",
	name2    = "foot",
	name2_us = "foot",
	symbol   = "ft",
	sym_us   = "ft",
	utype    = "length",
	scale    = 0.3048,
	default  = "m",
	link     = "Foot (unit)",
    },
    ["hand"] = {
	name1    = "hand",
	name1_us = "hand",
	name2    = "hands",
	name2_us = "hands",
	symbol   = "h",
	sym_us   = "h",
	utype    = "length",
	scale    = 0.1016,
	default  = "cm",
	link     = "Hand (unit)",
    },
    ["in"] = {
	name1    = "inch",
	name1_us = "inch",
	name2    = "inches",
	name2_us = "inches",
	symbol   = "in",
	sym_us   = "in",
	utype    = "length",
	scale    = 0.0254,
	default  = "mm",
	link     = "Inch",
    },
    ["nmi"] = {
	name1    = "nautical mile",
	name1_us = "nautical mile",
	name2    = "nautical miles",
	name2_us = "nautical miles",
	symbol   = "nmi",
	sym_us   = "nmi",
	utype    = "length",
	scale    = 1852,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["oldUKnmi"] = {
	name1    = "nautical mile",
	name1_us = "nautical mile",
	name2    = "nautical miles",
	name2_us = "nautical miles",
	symbol   = "nmi",
	sym_us   = "nmi",
	utype    = "length",
	scale    = 1853.184,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["admiralty nmi"] = {
	name1    = "nautical mile",
	name1_us = "nautical mile",
	name2    = "nautical miles",
	name2_us = "nautical miles",
	symbol   = "nmi",
	sym_us   = "nmi",
	utype    = "length",
	scale    = 1853.184,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["Brnmi"] = {
	name1    = "British nautical mile",
	name1_us = "British nautical mile",
	name2    = "British nautical miles",
	name2_us = "British nautical miles",
	symbol   = "(Brit)&nbsp;nmi",
	sym_us   = "(Brit)&nbsp;nmi",
	utype    = "length",
	scale    = 1853.184,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["admi"] = {
	name1    = "admiralty mile",
	name1_us = "admiralty mile",
	name2    = "admiralty miles",
	name2_us = "admiralty miles",
	symbol   = "nmi&nbsp;(admiralty)",
	sym_us   = "nmi&nbsp;(admiralty)",
	utype    = "length",
	scale    = 1853.184,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["oldUSnmi"] = {
	name1    = "nautical mile",
	name1_us = "nautical mile",
	name2    = "nautical miles",
	name2_us = "nautical miles",
	symbol   = "nmi",
	sym_us   = "nmi",
	utype    = "length",
	scale    = 1853.24496,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["pre1954USnmi"] = {
	name1    = "(pre-1954&nbsp;US) nautical mile",
	name1_us = "(pre-1954&nbsp;U.S.) nautical mile",
	name2    = "(pre-1954&nbsp;US) nautical miles",
	name2_us = "(pre-1954&nbsp;U.S.) nautical miles",
	symbol   = "(pre-1954&nbsp;US) nmi",
	sym_us   = "(pre-1954&nbsp;U.S.) nmi",
	utype    = "length",
	scale    = 1853.24496,
	default  = "km mi",
	link     = "Nautical mile",
    },
    ["Gpc"] = {
	name1    = "gigaparsec",
	name1_us = "gigaparsec",
	name2    = "gigaparsecs",
	name2_us = "gigaparsecs",
	symbol   = "Gpc",
	sym_us   = "Gpc",
	utype    = "length",
	scale    = 3.0856775813057e25,
	default  = "Gly",
	link     = "Parsec#Megaparsecs and gigaparsecs",
    },
    ["Mpc"] = {
	name1    = "megaparsec",
	name1_us = "megaparsec",
	name2    = "megaparsecs",
	name2_us = "megaparsecs",
	symbol   = "Mpc",
	sym_us   = "Mpc",
	utype    = "length",
	scale    = 3.0856775814672e22,
	default  = "Mly",
	link     = "Parsec#Megaparsecs and gigaparsecs",
    },
    ["kpc"] = {
	name1    = "kiloparsec",
	name1_us = "kiloparsec",
	name2    = "kiloparsecs",
	name2_us = "kiloparsecs",
	symbol   = "kpc",
	sym_us   = "kpc",
	utype    = "length",
	scale    = 3.0856775814672e19,
	default  = "kly",
	link     = "Parsec#Parsecs and kiloparsecs",
    },
    ["pc"] = {
	name1    = "parsec",
	name1_us = "parsec",
	name2    = "parsecs",
	name2_us = "parsecs",
	symbol   = "pc",
	sym_us   = "pc",
	utype    = "length",
	scale    = 3.0856775814672e16,
	default  = "ly",
	link     = "Parsec",
    },
    ["parsec"] = {
	name1    = "parsec",
	name1_us = "parsec",
	name2    = "parsecs",
	name2_us = "parsecs",
	symbol   = "pc",
	sym_us   = "pc",
	utype    = "length",
	scale    = 3.0856775814672e16,
	default  = "ly",
	link     = "Parsec",
    },
    ["Gly"] = {
	name1    = "gigalight-year",
	name1_us = "gigalight-year",
	name2    = "gigalight-years",
	name2_us = "gigalight-years",
	symbol   = "Gly",
	sym_us   = "Gly",
	utype    = "length",
	scale    = 9.4607304725808e24,
	default  = "Mpc",
	link     = "Light-year#Distances in light-years",
    },
    ["Mly"] = {
	name1    = "megalight-year",
	name1_us = "megalight-year",
	name2    = "megalight-years",
	name2_us = "megalight-years",
	symbol   = "Mly",
	sym_us   = "Mly",
	utype    = "length",
	scale    = 9.4607304725808e21,
	default  = "kpc",
	link     = "Light-year#Distances in light-years",
    },
    ["kly"] = {
	name1    = "kilolight-year",
	name1_us = "kilolight-year",
	name2    = "kilolight-years",
	name2_us = "kilolight-years",
	symbol   = "kly",
	sym_us   = "kly",
	utype    = "length",
	scale    = 9.4607304725808e18,
	default  = "pc",
	link     = "Light-year#Distances in light-years",
    },
    ["ly"] = {
	name1    = "light-year",
	name1_us = "light-year",
	name2    = "light-years",
	name2_us = "light-years",
	symbol   = "ly",
	sym_us   = "ly",
	utype    = "length",
	scale    = 9.4607304725808e15,
	default  = "AU",
	link     = "Light-year",
    },
    ["AU"] = {
	name1    = "astronomical unit",
	name1_us = "astronomical unit",
	name2    = "astronomical units",
	name2_us = "astronomical units",
	symbol   = "AU",
	sym_us   = "AU",
	utype    = "length",
	scale    = 149597870700,
	default  = "km mi",
	link     = "Astronomical unit",
    },
    ["m2"] = {
	name1    = "square %smetre",
	name1_us = "square %smeter",
	name2    = "square %smetres",
	name2_us = "square %smeters",
	symbol   = "m<sup>2</sup>",
	sym_us   = "m<sup>2</sup>",
	utype    = "area",
	scale    = 1,
	prefixes = 2,
	default  = "sqft",
	link     = "Square metre",
    },
    ["a"] = {
	name1    = "%sare",
	name1_us = "%sare",
	name2    = "%sares",
	name2_us = "%sares",
	symbol   = "a",
	sym_us   = "a",
	utype    = "area",
	scale    = 100,
	prefixes = 1,
	default  = "acre",
	link     = "Hectare#Are",
    },
    ["ha"] = {
	name1    = "hectare",
	name1_us = "hectare",
	name2    = "hectares",
	name2_us = "hectares",
	symbol   = "ha",
	sym_us   = "ha",
	utype    = "area",
	scale    = 10000,
	default  = "acre",
	link     = "Hectare",
    },
    ["sqmi"] = {
	name1    = "square mile",
	name1_us = "square mile",
	name2    = "square miles",
	name2_us = "square miles",
	symbol   = "sq&nbsp;mi",
	sym_us   = "sq&nbsp;mi",
	utype    = "area",
	scale    = 2589988.110336,
	default  = "km2",
	link     = "Square mile",
    },
    ["mi2"] = {
	name1    = "square mile",
	name1_us = "square mile",
	name2    = "square miles",
	name2_us = "square miles",
	symbol   = "sq&nbsp;mi",
	sym_us   = "sq&nbsp;mi",
	utype    = "area",
	scale    = 2589988.110336,
	default  = "km2",
	link     = "Square mile",
    },
    ["acre"] = {
	name1    = "acre",
	name1_us = "acre",
	name2    = "acres",
	name2_us = "acres",
	symbol   = "acre",
	sym_us   = "acre",
	usename  = 1,
	utype    = "area",
	scale    = 4046.856422,
	default  = "ha",
	link     = "Acre",
    },
    ["sqyd"] = {
	name1    = "square yard",
	name1_us = "square yard",
	name2    = "square yards",
	name2_us = "square yards",
	symbol   = "sq&nbsp;yd",
	sym_us   = "sq&nbsp;yd",
	utype    = "area",
	scale    = 0.83612736,
	default  = "m2",
	link     = "Square yard",
    },
    ["sqft"] = {
	name1    = "square foot",
	name1_us = "square foot",
	name2    = "square feet",
	name2_us = "square feet",
	symbol   = "sq&nbsp;ft",
	sym_us   = "sq&nbsp;ft",
	utype    = "area",
	scale    = 0.09290304,
	default  = "m2",
	link     = "Square foot",
    },
    ["ft2"] = {
	name1    = "square foot",
	name1_us = "square foot",
	name2    = "square feet",
	name2_us = "square feet",
	symbol   = "sq&nbsp;ft",
	sym_us   = "sq&nbsp;ft",
	utype    = "area",
	scale    = 0.09290304,
	default  = "m2",
	link     = "Square foot",
    },
    ["sqfoot"] = {
	name1    = "square foot",
	name1_us = "square foot",
	name2    = "square foot",
	name2_us = "square foot",
	symbol   = "sq&nbsp;ft",
	sym_us   = "sq&nbsp;ft",
	utype    = "area",
	scale    = 0.09290304,
	default  = "m2",
	link     = "Square foot",
    },
    ["foot2"] = {
	name1    = "square foot",
	name1_us = "square foot",
	name2    = "square foot",
	name2_us = "square foot",
	symbol   = "sq&nbsp;ft",
	sym_us   = "sq&nbsp;ft",
	utype    = "area",
	scale    = 0.09290304,
	default  = "m2",
	link     = "Square foot",
    },
    ["sqin"] = {
	name1    = "square inch",
	name1_us = "square inch",
	name2    = "square inches",
	name2_us = "square inches",
	symbol   = "sq&nbsp;in",
	sym_us   = "sq&nbsp;in",
	utype    = "area",
	scale    = 0.00064516,
	default  = "cm2",
	link     = "Square inch",
    },
    ["sqnmi"] = {
	name1    = "square nautical mile",
	name1_us = "square nautical mile",
	name2    = "square nautical miles",
	name2_us = "square nautical miles",
	symbol   = "sq&nbsp;nmi",
	sym_us   = "sq&nbsp;nmi",
	utype    = "area",
	scale    = 3429904,
	default  = "km2 sqmi",
	link     = "Nautical mile",
    },
    ["nmi2"] = {
	name1    = "square nautical mile",
	name1_us = "square nautical mile",
	name2    = "square nautical miles",
	name2_us = "square nautical miles",
	symbol   = "sq&nbsp;nmi",
	sym_us   = "sq&nbsp;nmi",
	utype    = "area",
	scale    = 3429904,
	default  = "km2 sqmi",
	link     = "Nautical mile",
    },
    ["dunam"] = {
	name1    = "dunam",
	name1_us = "dunam",
	name2    = "dunams",
	name2_us = "dunams",
	symbol   = "dunam",
	sym_us   = "dunam",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["metric dunam"] = {
	name1    = "dunam",
	name1_us = "dunam",
	name2    = "dunams",
	name2_us = "dunams",
	symbol   = "dunam",
	sym_us   = "dunam",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["donum"] = {
	name1    = "donum",
	name1_us = "donum",
	name2    = "donums",
	name2_us = "donums",
	symbol   = "donum",
	sym_us   = "donum",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["dunum"] = {
	name1    = "dunum",
	name1_us = "dunum",
	name2    = "dunums",
	name2_us = "dunums",
	symbol   = "dunum",
	sym_us   = "dunum",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["dönüm"] = {
	name1    = "dönüm",
	name1_us = "dönüm",
	name2    = "dönüms",
	name2_us = "dönüms",
	symbol   = "dönüm",
	sym_us   = "dönüm",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["donum diaeresis"] = {
	name1    = "dönüm",
	name1_us = "dönüm",
	name2    = "dönüms",
	name2_us = "dönüms",
	symbol   = "dönüm",
	sym_us   = "dönüm",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["donum dots"] = {
	name1    = "dönüm",
	name1_us = "dönüm",
	name2    = "dönüms",
	name2_us = "dönüms",
	symbol   = "dönüm",
	sym_us   = "dönüm",
	usename  = 1,
	utype    = "area",
	scale    = 1000,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["Cypriot dunam"] = {
	name1    = "dunam",
	name1_us = "dunam",
	name2    = "dunams",
	name2_us = "dunams",
	symbol   = "dunam",
	sym_us   = "dunam",
	usename  = 1,
	utype    = "area",
	scale    = 1337.803776,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["Iraqi dunam"] = {
	name1    = "dunam",
	name1_us = "dunam",
	name2    = "dunams",
	name2_us = "dunams",
	symbol   = "dunam",
	sym_us   = "dunam",
	usename  = 1,
	utype    = "area",
	scale    = 2500,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["old dunam"] = {
	name1    = "dunam",
	name1_us = "dunam",
	name2    = "dunams",
	name2_us = "dunams",
	symbol   = "dunam",
	sym_us   = "dunam",
	usename  = 1,
	utype    = "area",
	scale    = 919.3,
	default  = "sqmi km2",
	link     = "Dunam",
    },
    ["tsubo"] = {
	name1    = "tsubo",
	name1_us = "tsubo",
	name2    = "tsubo",
	name2_us = "tsubo",
	symbol   = "tsubo",
	sym_us   = "tsubo",
	usename  = 1,
	utype    = "area",
	scale    = 400/121,
	default  = "m2",
	link     = "Japanese units of measurement#Area",
    },
    ["pyeong"] = {
	name1    = "pyeong",
	name1_us = "pyeong",
	name2    = "pyeong",
	name2_us = "pyeong",
	symbol   = "pyeong",
	sym_us   = "pyeong",
	usename  = 1,
	utype    = "area",
	scale    = 400/121,
	default  = "m2",
	link     = "Pyeong",
    },
    ["m3"] = {
	name1    = "cubic %smetre",
	name1_us = "cubic %smeter",
	name2    = "cubic %smetres",
	name2_us = "cubic %smeters",
	symbol   = "m<sup>3</sup>",
	sym_us   = "m<sup>3</sup>",
	utype    = "volume",
	scale    = 1,
	prefixes = 3,
	default  = "cuft",
	link     = "Cubic metre",
    },
    ["cc"] = {
	name1    = "cubic centimetre",
	name1_us = "cubic centimeter",
	name2    = "cubic centimetres",
	name2_us = "cubic centimeters",
	symbol   = "cc",
	sym_us   = "cc",
	utype    = "volume",
	scale    = 0.000001,
	default  = "cuin",
	link     = "Cubic centimetre",
    },
    ["mm3"] = {
	name1    = "cubic millimetre",
	name1_us = "cubic millimeter",
	name2    = "cubic millimetres",
	name2_us = "cubic millimeters",
	symbol   = "mm<sup>3</sup>",
	sym_us   = "mm<sup>3</sup>",
	utype    = "volume",
	scale    = 0.000000001,
	default  = "cuin",
	link     = "Cubic millimetre",
    },
    ["l"] = {
	name1    = "%slitre",
	name1_us = "%sliter",
	name2    = "%slitres",
	name2_us = "%sliters",
	symbol   = "l",
	sym_us   = "l",
	utype    = "volume",
	scale    = 0.001,
	prefixes = 1,
	default  = "impgal USgal",
	link     = "Litre",
    },
    ["ul"] = {
	name1    = "microlitre",
	name1_us = "microliter",
	name2    = "microlitres",
	name2_us = "microliters",
	symbol   = "µl",
	sym_us   = "µl",
	utype    = "volume",
	scale    = 1e-009,
	default  = "impgal USgal",
	link     = "Litre",
    },
    ["L"] = {
	name1    = "%slitre",
	name1_us = "%sliter",
	name2    = "%slitres",
	name2_us = "%sliters",
	symbol   = "L",
	sym_us   = "L",
	utype    = "volume",
	scale    = 0.001,
	prefixes = 1,
	default  = "impgal USgal",
	link     = "Litre",
    },
    ["uL"] = {
	name1    = "microlitre",
	name1_us = "microliter",
	name2    = "microlitres",
	name2_us = "microliters",
	symbol   = "µL",
	sym_us   = "µL",
	utype    = "volume",
	scale    = 1e-009,
	default  = "impgal USgal",
	link     = "Litre",
    },
    ["stere"] = {
	name1    = "stère",
	name1_us = "stère",
	name2    = "stères",
	name2_us = "stères",
	symbol   = "stère",
	sym_us   = "stère",
	usename  = 1,
	utype    = "volume",
	scale    = 1,
	default  = "cuft",
	link     = "Stère",
    },
    ["cumi"] = {
	name1    = "cubic mile",
	name1_us = "cubic mile",
	name2    = "cubic miles",
	name2_us = "cubic miles",
	symbol   = "cu&nbsp;mi",
	sym_us   = "cu&nbsp;mi",
	utype    = "volume",
	scale    = 4168181825.44057,
	default  = "km3",
	link     = "Cubic mile",
    },
    ["mi3"] = {
	name1    = "cubic mile",
	name1_us = "cubic mile",
	name2    = "cubic miles",
	name2_us = "cubic miles",
	symbol   = "cu&nbsp;mi",
	sym_us   = "cu&nbsp;mi",
	utype    = "volume",
	scale    = 4168181825.44057,
	default  = "km3",
	link     = "Cubic mile",
    },
    ["acre ft"] = {
	name1    = "acre foot",
	name1_us = "acre foot",
	name2    = "acre feet",
	name2_us = "acre feet",
	symbol   = "acre·ft",
	sym_us   = "acre·ft",
	utype    = "volume",
	scale    = 1233.48183754752,
	default  = "m3",
	link     = "Acre foot",
    },
    ["acre feet"] = {
	name1    = "acre foot",
	name1_us = "acre foot",
	name2    = "acre feet",
	name2_us = "acre feet",
	symbol   = "acre·ft",
	sym_us   = "acre·ft",
	utype    = "volume",
	scale    = 1233.48183754752,
	default  = "m3",
	link     = "Acre foot",
    },
    ["acre foot"] = {
	name1    = "acre foot",
	name1_us = "acre foot",
	name2    = "acre foot",
	name2_us = "acre foot",
	symbol   = "acre·ft",
	sym_us   = "acre·ft",
	utype    = "volume",
	scale    = 1233.48183754752,
	default  = "m3",
	link     = "Acre foot",
    },
    ["cuyd"] = {
	name1    = "cubic yard",
	name1_us = "cubic yard",
	name2    = "cubic yards",
	name2_us = "cubic yards",
	symbol   = "cu&nbsp;yd",
	sym_us   = "cu&nbsp;yd",
	utype    = "volume",
	scale    = 0.764554857984,
	default  = "m3",
	link     = "Cubic yard",
    },
    ["yd3"] = {
	name1    = "cubic yard",
	name1_us = "cubic yard",
	name2    = "cubic yards",
	name2_us = "cubic yards",
	symbol   = "cu&nbsp;yd",
	sym_us   = "cu&nbsp;yd",
	utype    = "volume",
	scale    = 0.764554857984,
	default  = "m3",
	link     = "Cubic yard",
    },
    ["cuft"] = {
	name1    = "cubic foot",
	name1_us = "cubic foot",
	name2    = "cubic feet",
	name2_us = "cubic feet",
	symbol   = "cu&nbsp;ft",
	sym_us   = "cu&nbsp;ft",
	utype    = "volume",
	scale    = 0.028316846592,
	default  = "m3",
	link     = "Cubic foot",
    },
    ["ft3"] = {
	name1    = "cubic foot",
	name1_us = "cubic foot",
	name2    = "cubic feet",
	name2_us = "cubic feet",
	symbol   = "cu&nbsp;ft",
	sym_us   = "cu&nbsp;ft",
	utype    = "volume",
	scale    = 0.028316846592,
	default  = "m3",
	link     = "Cubic foot",
    },
    ["cufoot"] = {
	name1    = "cubic foot",
	name1_us = "cubic foot",
	name2    = "cubic foot",
	name2_us = "cubic foot",
	symbol   = "cu&nbsp;ft",
	sym_us   = "cu&nbsp;ft",
	utype    = "volume",
	scale    = 0.028316846592,
	default  = "m3",
	link     = "Cubic foot",
    },
    ["foot3"] = {
	name1    = "cubic foot",
	name1_us = "cubic foot",
	name2    = "cubic foot",
	name2_us = "cubic foot",
	symbol   = "cu&nbsp;ft",
	sym_us   = "cu&nbsp;ft",
	utype    = "volume",
	scale    = 0.028316846592,
	default  = "m3",
	link     = "Cubic foot",
    },
    ["board feet"] = {
	name1    = "board foot",
	name1_us = "board foot",
	name2    = "board feet",
	name2_us = "board feet",
	symbol   = "board foot",
	sym_us   = "board foot",
	usename  = 1,
	utype    = "volume",
	scale    = 0.002359737216,
	default  = "m3",
	link     = "Board foot",
    },
    ["board foot"] = {
	name1    = "board foot",
	name1_us = "board foot",
	name2    = "board foot",
	name2_us = "board foot",
	symbol   = "board foot",
	sym_us   = "board foot",
	usename  = 1,
	utype    = "volume",
	scale    = 0.002359737216,
	default  = "m3",
	link     = "Board foot",
    },
    ["cuin"] = {
	name1    = "cubic inch",
	name1_us = "cubic inch",
	name2    = "cubic inches",
	name2_us = "cubic inches",
	symbol   = "cu&nbsp;in",
	sym_us   = "cu&nbsp;in",
	utype    = "volume",
	scale    = 0.000016387064,
	default  = "cm3",
	link     = "Cubic inch",
    },
    ["in3"] = {
	name1    = "cubic inch",
	name1_us = "cubic inch",
	name2    = "cubic inches",
	name2_us = "cubic inches",
	symbol   = "cu&nbsp;in",
	sym_us   = "cu&nbsp;in",
	utype    = "volume",
	scale    = 0.000016387064,
	default  = "cm3",
	link     = "Cubic inch",
    },
    ["impbbl"] = {
	name1    = "imperial barrel",
	name1_us = "imperial barrel",
	name2    = "imperial barrels",
	name2_us = "imperial barrels",
	symbol   = "imp&nbsp;bbl",
	sym_us   = "imp&nbsp;bbl",
	utype    = "volume",
	scale    = 0.16365924,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
    },
    ["kilderkin"] = {
	name1    = "kilderkin",
	name1_us = "kilderkin",
	name2    = "kilderkins",
	name2_us = "kilderkins",
	symbol   = "kilderkin",
	sym_us   = "kilderkin",
	usename  = 1,
	utype    = "volume",
	scale    = 0.08182962,
	default  = "impgal l USgal",
	link     = "Kilderkin",
    },
    ["firkin"] = {
	name1    = "firkin",
	name1_us = "firkin",
	name2    = "firkins",
	name2_us = "firkins",
	symbol   = "firkin",
	sym_us   = "firkin",
	usename  = 1,
	utype    = "volume",
	scale    = 0.04091481,
	default  = "impgal l USgal",
	link     = "Firkin",
    },
    ["impbsh"] = {
	name1    = "imperial bushel",
	name1_us = "imperial bushel",
	name2    = "imperial bushels",
	name2_us = "imperial bushels",
	symbol   = "imp&nbsp;bsh",
	sym_us   = "imp&nbsp;bsh",
	utype    = "volume",
	scale    = 0.03636872,
	default  = "impgal USdrygal l",
	link     = "Imperial bushel",
    },
    ["impbu"] = {
	name1    = "imperial bushel",
	name1_us = "imperial bushel",
	name2    = "imperial bushels",
	name2_us = "imperial bushels",
	symbol   = "imp&nbsp;bu",
	sym_us   = "imp&nbsp;bu",
	utype    = "volume",
	scale    = 0.03636872,
	default  = "m3",
	link     = "Imperial bushel",
    },
    ["impkenning"] = {
	name1    = "imperial kenning",
	name1_us = "imperial kenning",
	name2    = "imperial kennings",
	name2_us = "imperial kennings",
	symbol   = "kenning",
	sym_us   = "kenning",
	utype    = "volume",
	scale    = 0.01818436,
	default  = "impgal l",
	link     = "Kenning (unit)",
    },
    ["imppk"] = {
	name1    = "imperial peck",
	name1_us = "imperial peck",
	name2    = "imperial pecks",
	name2_us = "imperial pecks",
	symbol   = "pk",
	sym_us   = "pk",
	utype    = "volume",
	scale    = 0.00909218,
	default  = "impgal l",
	link     = "Peck",
    },
    ["impqt"] = {
	name1    = "imperial quart",
	name1_us = "imperial quart",
	name2    = "imperial quarts",
	name2_us = "imperial quarts",
	symbol   = "imp&nbsp;qt",
	sym_us   = "imp&nbsp;qt",
	utype    = "volume",
	scale    = 0.0011365225,
	default  = "USoz ml",
	link     = "Imperial quart",
    },
    ["impgal"] = {
	name1    = "imperial gallon",
	name1_us = "imperial gallon",
	name2    = "imperial gallons",
	name2_us = "imperial gallons",
	symbol   = "imp&nbsp;gal",
	sym_us   = "imp&nbsp;gal",
	utype    = "volume",
	scale    = 0.00454609,
	default  = "USgal l",
	link     = "Imperial gallon",
    },
    ["imppt"] = {
	name1    = "imperial pint",
	name1_us = "imperial pint",
	name2    = "imperial pints",
	name2_us = "imperial pints",
	symbol   = "imp&nbsp;pt",
	sym_us   = "imp&nbsp;pt",
	utype    = "volume",
	scale    = 0.00056826125,
	default  = "l",
	link     = "Imperial pint",
    },
    ["impgi"] = {
	name1    = "gill",
	name1_us = "gill",
	name2    = "gills",
	name2_us = "gills",
	symbol   = "gi",
	sym_us   = "gi",
	utype    = "volume",
	scale    = 0.0001420653125,
	default  = "USoz ml",
	link     = "Gill (unit)",
    },
    ["impoz"] = {
	name1    = "imperial fluid ounce",
	name1_us = "imperial fluid ounce",
	name2    = "imperial fluid ounces",
	name2_us = "imperial fluid ounces",
	symbol   = "imp&nbsp;fl&nbsp;oz",
	sym_us   = "imp&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.0000284130625,
	default  = "USoz ml",
	link     = "Imperial fluid ounce",
    },
    ["impfloz"] = {
	name1    = "imperial fluid ounce",
	name1_us = "imperial fluid ounce",
	name2    = "imperial fluid ounces",
	name2_us = "imperial fluid ounces",
	symbol   = "imp&nbsp;fl&nbsp;oz",
	sym_us   = "imp&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.0000284130625,
	default  = "USoz ml",
	link     = "Imperial fluid ounce",
    },
    ["USbbl"] = {
	name1    = "US barrel",
	name1_us = "U.S. barrel",
	name2    = "US barrels",
	name2_us = "U.S. barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.119240471196,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
    },
    ["oilbbl"] = {
	name1    = "barrel",
	name1_us = "barrel",
	name2    = "barrels",
	name2_us = "barrels",
	symbol   = "bbl",
	sym_us   = "bbl",
	utype    = "volume",
	scale    = 0.158987294928,
	default  = "m3",
	link     = "Barrel (volume)#Oil_barrel",
    },
    ["USbeerbbl"] = {
	name1    = "US beer barrel",
	name1_us = "U.S. beer barrel",
	name2    = "US beer barrels",
	name2_us = "U.S. beer barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.117347765304,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
    },
    ["USgal"] = {
	name1    = "US gallon",
	name1_us = "U.S. gallon",
	name2    = "US gallons",
	name2_us = "U.S. gallons",
	symbol   = "US gal",
	sym_us   = "U.S. gal",
	utype    = "volume",
	scale    = 0.003785411784,
	default  = "impgal l",
	link     = "US gallon",
    },
    ["USqt"] = {
	name1    = "US quart",
	name1_us = "U.S. quart",
	name2    = "US quarts",
	name2_us = "U.S. quarts",
	symbol   = "US&nbsp;qt",
	sym_us   = "U.S.&nbsp;qt",
	utype    = "volume",
	scale    = 0.000946352946,
	default  = "ml",
	link     = "United States customary units#Fluid volume",
    },
    ["USpt"] = {
	name1    = "US pint",
	name1_us = "U.S. pint",
	name2    = "US pints",
	name2_us = "U.S. pints",
	symbol   = "US&nbsp;pt",
	sym_us   = "U.S.&nbsp;pt",
	utype    = "volume",
	scale    = 0.000473176473,
	default  = "ml",
	link     = "Pint",
    },
    ["USgi"] = {
	name1    = "gill",
	name1_us = "gill",
	name2    = "gills",
	name2_us = "gills",
	symbol   = "gi",
	sym_us   = "gi",
	utype    = "volume",
	scale    = 0.0001182941183,
	default  = "impoz ml",
	link     = "Gill (unit)",
    },
    ["USoz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
    },
    ["USdrybbl"] = {
	name1    = "US dry barrel",
	name1_us = "U.S. dry barrel",
	name2    = "US dry barrels",
	name2_us = "U.S. dry barrels",
	symbol   = "US&nbsp;dry&nbsp;bbl",
	sym_us   = "U.S.&nbsp;dry&nbsp;bbl",
	utype    = "volume",
	scale    = 0.11562819898508,
	default  = "m3",
	link     = "Barrel (unit)",
    },
    ["USbsh"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bsh",
	sym_us   = "U.S.&nbsp;bsh",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
    },
    ["USbu"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bu",
	sym_us   = "U.S.&nbsp;bu",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
    },
    ["USkenning"] = {
	name1    = "US kenning",
	name1_us = "U.S. kenning",
	name2    = "US kennings",
	name2_us = "U.S. kennings",
	symbol   = "US&nbsp;kenning",
	sym_us   = "U.S.&nbsp;kenning",
	utype    = "volume",
	scale    = 0.01761953508344,
	default  = "impgal l",
	link     = "Kenning (unit)",
    },
    ["USpk"] = {
	name1    = "US peck",
	name1_us = "U.S. peck",
	name2    = "US pecks",
	name2_us = "U.S. pecks",
	symbol   = "US&nbsp;pk",
	sym_us   = "U.S.&nbsp;pk",
	utype    = "volume",
	scale    = 0.00880976754172,
	default  = "impgal l",
	link     = "Peck",
    },
    ["USdrygal"] = {
	name1    = "US dry gallon",
	name1_us = "U.S. dry gallon",
	name2    = "US dry gallons",
	name2_us = "U.S. dry gallons",
	symbol   = "US&nbsp;dry&nbsp;gal",
	sym_us   = "U.S.&nbsp;dry&nbsp;gal",
	utype    = "volume",
	scale    = 0.00440488377086,
	default  = "l",
	link     = "Gallon",
    },
    ["USdryqt"] = {
	name1    = "US dry quart",
	name1_us = "U.S. dry quart",
	name2    = "US dry quarts",
	name2_us = "U.S. dry quarts",
	symbol   = "US&nbsp;dry&nbsp;qt",
	sym_us   = "U.S.&nbsp;dry&nbsp;qt",
	utype    = "volume",
	scale    = 0.001101220942715,
	default  = "ml",
	link     = "Quart",
    },
    ["USdrypt"] = {
	name1    = "US dry pint",
	name1_us = "U.S. dry pint",
	name2    = "US dry pints",
	name2_us = "U.S. dry pints",
	symbol   = "US&nbsp;dry&nbsp;pt",
	sym_us   = "U.S.&nbsp;dry&nbsp;pt",
	utype    = "volume",
	scale    = 0.000550610471358,
	default  = "ml",
	link     = "Pint",
    },
    ["usbbl"] = {
	name1    = "US barrel",
	name1_us = "U.S. barrel",
	name2    = "US barrels",
	name2_us = "U.S. barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.119240471196,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
    },
    ["U.S.bbl"] = {
	name1    = "US barrel",
	name1_us = "U.S. barrel",
	name2    = "US barrels",
	name2_us = "U.S. barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.119240471196,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
	sp_us    = true,
    },
    ["usbeerbbl"] = {
	name1    = "US beer barrel",
	name1_us = "U.S. beer barrel",
	name2    = "US beer barrels",
	name2_us = "U.S. beer barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.117347765304,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
    },
    ["U.S.beerbbl"] = {
	name1    = "US beer barrel",
	name1_us = "U.S. beer barrel",
	name2    = "US beer barrels",
	name2_us = "U.S. beer barrels",
	symbol   = "US&nbsp;bbl",
	sym_us   = "U.S.&nbsp;bbl",
	utype    = "volume",
	scale    = 0.117347765304,
	default  = "impgal l USgal",
	link     = "Barrel (unit)",
	sp_us    = true,
    },
    ["usgal"] = {
	name1    = "US gallon",
	name1_us = "U.S. gallon",
	name2    = "US gallons",
	name2_us = "U.S. gallons",
	symbol   = "US gal",
	sym_us   = "U.S. gal",
	utype    = "volume",
	scale    = 0.003785411784,
	default  = "impgal l",
	link     = "US gallon",
    },
    ["U.S.gal"] = {
	name1    = "US gallon",
	name1_us = "U.S. gallon",
	name2    = "US gallons",
	name2_us = "U.S. gallons",
	symbol   = "US gal",
	sym_us   = "U.S. gal",
	utype    = "volume",
	scale    = 0.003785411784,
	default  = "impgal l",
	link     = "US gallon",
	sp_us    = true,
    },
    ["usqt"] = {
	name1    = "US quart",
	name1_us = "U.S. quart",
	name2    = "US quarts",
	name2_us = "U.S. quarts",
	symbol   = "US&nbsp;qt",
	sym_us   = "U.S.&nbsp;qt",
	utype    = "volume",
	scale    = 0.000946352946,
	default  = "ml",
	link     = "United States customary units#Fluid volume",
    },
    ["U.S.qt"] = {
	name1    = "US quart",
	name1_us = "U.S. quart",
	name2    = "US quarts",
	name2_us = "U.S. quarts",
	symbol   = "US&nbsp;qt",
	sym_us   = "U.S.&nbsp;qt",
	utype    = "volume",
	scale    = 0.000946352946,
	default  = "ml",
	link     = "United States customary units#Fluid volume",
	sp_us    = true,
    },
    ["uspt"] = {
	name1    = "US pint",
	name1_us = "U.S. pint",
	name2    = "US pints",
	name2_us = "U.S. pints",
	symbol   = "US&nbsp;pt",
	sym_us   = "U.S.&nbsp;pt",
	utype    = "volume",
	scale    = 0.000473176473,
	default  = "ml",
	link     = "Pint",
    },
    ["U.S.pt"] = {
	name1    = "US pint",
	name1_us = "U.S. pint",
	name2    = "US pints",
	name2_us = "U.S. pints",
	symbol   = "US&nbsp;pt",
	sym_us   = "U.S.&nbsp;pt",
	utype    = "volume",
	scale    = 0.000473176473,
	default  = "ml",
	link     = "Pint",
	sp_us    = true,
    },
    ["usgi"] = {
	name1    = "gill",
	name1_us = "gill",
	name2    = "gills",
	name2_us = "gills",
	symbol   = "gi",
	sym_us   = "gi",
	utype    = "volume",
	scale    = 0.0001182941183,
	default  = "impoz ml",
	link     = "Gill (unit)",
    },
    ["U.S.gi"] = {
	name1    = "gill",
	name1_us = "gill",
	name2    = "gills",
	name2_us = "gills",
	symbol   = "gi",
	sym_us   = "gi",
	utype    = "volume",
	scale    = 0.0001182941183,
	default  = "impoz ml",
	link     = "Gill (unit)",
	sp_us    = true,
    },
    ["USfloz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
    },
    ["usoz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
    },
    ["U.S.oz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
	sp_us    = true,
    },
    ["usfloz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
    },
    ["U.S.floz"] = {
	name1    = "US fluid ounce",
	name1_us = "U.S. fluid ounce",
	name2    = "US fluid ounces",
	name2_us = "U.S. fluid ounces",
	symbol   = "US&nbsp;fl&nbsp;oz",
	sym_us   = "U.S.&nbsp;fl&nbsp;oz",
	utype    = "volume",
	scale    = 0.000029573529563,
	default  = "ml",
	link     = "US fluid ounce",
	sp_us    = true,
    },
    ["usdrybbl"] = {
	name1    = "US dry barrel",
	name1_us = "U.S. dry barrel",
	name2    = "US dry barrels",
	name2_us = "U.S. dry barrels",
	symbol   = "US&nbsp;dry&nbsp;bbl",
	sym_us   = "U.S.&nbsp;dry&nbsp;bbl",
	utype    = "volume",
	scale    = 0.11562819898508,
	default  = "m3",
	link     = "Barrel (unit)",
    },
    ["drybbl"] = {
	name1    = "US dry barrel",
	name1_us = "U.S. dry barrel",
	name2    = "US dry barrels",
	name2_us = "U.S. dry barrels",
	symbol   = "US&nbsp;dry&nbsp;bbl",
	sym_us   = "U.S.&nbsp;dry&nbsp;bbl",
	utype    = "volume",
	scale    = 0.11562819898508,
	default  = "m3",
	link     = "Barrel (unit)",
    },
    ["U.S.drybbl"] = {
	name1    = "US dry barrel",
	name1_us = "U.S. dry barrel",
	name2    = "US dry barrels",
	name2_us = "U.S. dry barrels",
	symbol   = "US&nbsp;dry&nbsp;bbl",
	sym_us   = "U.S.&nbsp;dry&nbsp;bbl",
	utype    = "volume",
	scale    = 0.11562819898508,
	default  = "m3",
	link     = "Barrel (unit)",
	sp_us    = true,
    },
    ["usbsh"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bsh",
	sym_us   = "U.S.&nbsp;bsh",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
    },
    ["U.S.bsh"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bsh",
	sym_us   = "U.S.&nbsp;bsh",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
	sp_us    = true,
    },
    ["usbu"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bu",
	sym_us   = "U.S.&nbsp;bu",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
    },
    ["U.S.bu"] = {
	name1    = "US bushel",
	name1_us = "U.S. bushel",
	name2    = "US bushels",
	name2_us = "U.S. bushels",
	symbol   = "US&nbsp;bu",
	sym_us   = "U.S.&nbsp;bu",
	utype    = "volume",
	scale    = 0.03523907016688,
	default  = "impgal USdrygal l",
	link     = "Bushel",
	sp_us    = true,
    },
    ["uskenning"] = {
	name1    = "US kenning",
	name1_us = "U.S. kenning",
	name2    = "US kennings",
	name2_us = "U.S. kennings",
	symbol   = "US&nbsp;kenning",
	sym_us   = "U.S.&nbsp;kenning",
	utype    = "volume",
	scale    = 0.01761953508344,
	default  = "impgal l",
	link     = "Kenning (unit)",
    },
    ["U.S.kenning"] = {
	name1    = "US kenning",
	name1_us = "U.S. kenning",
	name2    = "US kennings",
	name2_us = "U.S. kennings",
	symbol   = "US&nbsp;kenning",
	sym_us   = "U.S.&nbsp;kenning",
	utype    = "volume",
	scale    = 0.01761953508344,
	default  = "impgal l",
	link     = "Kenning (unit)",
	sp_us    = true,
    },
    ["uspk"] = {
	name1    = "US peck",
	name1_us = "U.S. peck",
	name2    = "US pecks",
	name2_us = "U.S. pecks",
	symbol   = "US&nbsp;pk",
	sym_us   = "U.S.&nbsp;pk",
	utype    = "volume",
	scale    = 0.00880976754172,
	default  = "impgal l",
	link     = "Peck",
    },
    ["U.S.pk"] = {
	name1    = "US peck",
	name1_us = "U.S. peck",
	name2    = "US pecks",
	name2_us = "U.S. pecks",
	symbol   = "US&nbsp;pk",
	sym_us   = "U.S.&nbsp;pk",
	utype    = "volume",
	scale    = 0.00880976754172,
	default  = "impgal l",
	link     = "Peck",
	sp_us    = true,
    },
    ["usdrygal"] = {
	name1    = "US dry gallon",
	name1_us = "U.S. dry gallon",
	name2    = "US dry gallons",
	name2_us = "U.S. dry gallons",
	symbol   = "US&nbsp;dry&nbsp;gal",
	sym_us   = "U.S.&nbsp;dry&nbsp;gal",
	utype    = "volume",
	scale    = 0.00440488377086,
	default  = "l",
	link     = "Gallon",
    },
    ["drygal"] = {
	name1    = "US dry gallon",
	name1_us = "U.S. dry gallon",
	name2    = "US dry gallons",
	name2_us = "U.S. dry gallons",
	symbol   = "US&nbsp;dry&nbsp;gal",
	sym_us   = "U.S.&nbsp;dry&nbsp;gal",
	utype    = "volume",
	scale    = 0.00440488377086,
	default  = "l",
	link     = "Gallon",
    },
    ["U.S.drygal"] = {
	name1    = "US dry gallon",
	name1_us = "U.S. dry gallon",
	name2    = "US dry gallons",
	name2_us = "U.S. dry gallons",
	symbol   = "US&nbsp;dry&nbsp;gal",
	sym_us   = "U.S.&nbsp;dry&nbsp;gal",
	utype    = "volume",
	scale    = 0.00440488377086,
	default  = "l",
	link     = "Gallon",
	sp_us    = true,
    },
    ["usdryqt"] = {
	name1    = "US dry quart",
	name1_us = "U.S. dry quart",
	name2    = "US dry quarts",
	name2_us = "U.S. dry quarts",
	symbol   = "US&nbsp;dry&nbsp;qt",
	sym_us   = "U.S.&nbsp;dry&nbsp;qt",
	utype    = "volume",
	scale    = 0.001101220942715,
	default  = "ml",
	link     = "Quart",
    },
    ["dryqt"] = {
	name1    = "US dry quart",
	name1_us = "U.S. dry quart",
	name2    = "US dry quarts",
	name2_us = "U.S. dry quarts",
	symbol   = "US&nbsp;dry&nbsp;qt",
	sym_us   = "U.S.&nbsp;dry&nbsp;qt",
	utype    = "volume",
	scale    = 0.001101220942715,
	default  = "ml",
	link     = "Quart",
    },
    ["U.S.dryqt"] = {
	name1    = "US dry quart",
	name1_us = "U.S. dry quart",
	name2    = "US dry quarts",
	name2_us = "U.S. dry quarts",
	symbol   = "US&nbsp;dry&nbsp;qt",
	sym_us   = "U.S.&nbsp;dry&nbsp;qt",
	utype    = "volume",
	scale    = 0.001101220942715,
	default  = "ml",
	link     = "Quart",
	sp_us    = true,
    },
    ["usdrypt"] = {
	name1    = "US dry pint",
	name1_us = "U.S. dry pint",
	name2    = "US dry pints",
	name2_us = "U.S. dry pints",
	symbol   = "US&nbsp;dry&nbsp;pt",
	sym_us   = "U.S.&nbsp;dry&nbsp;pt",
	utype    = "volume",
	scale    = 0.000550610471358,
	default  = "ml",
	link     = "Pint",
    },
    ["drypt"] = {
	name1    = "US dry pint",
	name1_us = "U.S. dry pint",
	name2    = "US dry pints",
	name2_us = "U.S. dry pints",
	symbol   = "US&nbsp;dry&nbsp;pt",
	sym_us   = "U.S.&nbsp;dry&nbsp;pt",
	utype    = "volume",
	scale    = 0.000550610471358,
	default  = "ml",
	link     = "Pint",
    },
    ["U.S.drypt"] = {
	name1    = "US dry pint",
	name1_us = "U.S. dry pint",
	name2    = "US dry pints",
	name2_us = "U.S. dry pints",
	symbol   = "US&nbsp;dry&nbsp;pt",
	sym_us   = "U.S.&nbsp;dry&nbsp;pt",
	utype    = "volume",
	scale    = 0.000550610471358,
	default  = "ml",
	link     = "Pint",
	sp_us    = true,
    },
    ["m/s"] = {
	name1    = "metre per second",
	name1_us = "meter per second",
	name2    = "metres per second",
	name2_us = "meters per second",
	symbol   = "m/s",
	sym_us   = "m/s",
	utype    = "speed",
	scale    = 1,
	default  = "ft/s",
	link     = "Metre per second",
    },
    ["km/h"] = {
	name1    = "kilometre per hour",
	name1_us = "kilometer per hour",
	name2    = "kilometres per hour",
	name2_us = "kilometers per hour",
	symbol   = "km/h",
	sym_us   = "km/h",
	utype    = "speed",
	scale    = 5/18,
	default  = "mph",
	link     = "Kilometres per hour",
    },
    ["mph"] = {
	name1    = "mile per hour",
	name1_us = "mile per hour",
	name2    = "miles per hour",
	name2_us = "miles per hour",
	symbol   = "mph",
	sym_us   = "mph",
	utype    = "speed",
	scale    = 0.44704,
	default  = "km/h",
	link     = "Miles per hour",
    },
    ["ft/s"] = {
	name1    = "foot per second",
	name1_us = "foot per second",
	name2    = "feet per second",
	name2_us = "feet per second",
	symbol   = "ft/s",
	sym_us   = "ft/s",
	utype    = "speed",
	scale    = 0.3048,
	default  = "m/s",
	link     = "Feet per second",
    },
    ["foot/s"] = {
	name1    = "foot per second",
	name1_us = "foot per second",
	name2    = "foot per second",
	name2_us = "foot per second",
	symbol   = "ft/s",
	sym_us   = "ft/s",
	utype    = "speed",
	scale    = 0.3048,
	default  = "m/s",
	link     = "Feet per second",
    },
    ["furlong per fortnight"] = {
	name1    = "furlong per fortnight",
	name1_us = "furlong per fortnight",
	name2    = "furlongs per fortnight",
	name2_us = "furlongs per fortnight",
	symbol   = "furlong per fortnight",
	sym_us   = "furlong per fortnight",
	usename  = 1,
	utype    = "speed",
	scale    = 1.397/8400,
	default  = "km/h mph",
	link     = "FFF System",
    },
    ["kn"] = {
	name1    = "knot",
	name1_us = "knot",
	name2    = "knots",
	name2_us = "knots",
	symbol   = "kn",
	sym_us   = "kn",
	utype    = "speed",
	scale    = 4.63/9,
	default  = "km/h mph",
	link     = "Knot (unit)",
    },
    ["knot"] = {
	name1    = "knot",
	name1_us = "knot",
	name2    = "knots",
	name2_us = "knots",
	symbol   = "kn",
	sym_us   = "kn",
	utype    = "speed",
	scale    = 4.63/9,
	default  = "km/h mph",
	link     = "Knot (unit)",
    },
    ["N"] = {
	name1    = "%snewton",
	name1_us = "%snewton",
	name2    = "%snewtons",
	name2_us = "%snewtons",
	symbol   = "N",
	sym_us   = "N",
	utype    = "force",
	scale    = 1,
	prefixes = 1,
	default  = "lbf",
	link     = "Newton (unit)",
    },
    ["uN"] = {
	name1    = "micronewton",
	name1_us = "micronewton",
	name2    = "micronewtons",
	name2_us = "micronewtons",
	symbol   = "µN",
	sym_us   = "µN",
	utype    = "force",
	scale    = 1e-006,
	default  = "lbf",
	link     = "Newton (unit)",
    },
    ["Mdyn"] = {
	name1    = "megadyne",
	name1_us = "megadyne",
	name2    = "megadynes",
	name2_us = "megadynes",
	symbol   = "Mdyn",
	sym_us   = "Mdyn",
	utype    = "force",
	scale    = 10,
	default  = "lbf",
	link     = "Dyne",
    },
    ["kdyn"] = {
	name1    = "kilodyne",
	name1_us = "kilodyne",
	name2    = "kilodynes",
	name2_us = "kilodynes",
	symbol   = "kdyn",
	sym_us   = "kdyn",
	utype    = "force",
	scale    = 0.01,
	default  = "ozf",
	link     = "Dyne",
    },
    ["dyn"] = {
	name1    = "dyne",
	name1_us = "dyne",
	name2    = "dynes",
	name2_us = "dynes",
	symbol   = "dyn",
	sym_us   = "dyn",
	utype    = "force",
	scale    = 0.00001,
	default  = "grf",
	link     = "Dyne",
    },
    ["dyne"] = {
	name1    = "dyne",
	name1_us = "dyne",
	name2    = "dynes",
	name2_us = "dynes",
	symbol   = "dyn",
	sym_us   = "dyn",
	utype    = "force",
	scale    = 0.00001,
	default  = "grf",
	link     = "Dyne",
    },
    ["mdyn"] = {
	name1    = "millidyne",
	name1_us = "millidyne",
	name2    = "millidynes",
	name2_us = "millidynes",
	symbol   = "mdyn",
	sym_us   = "mdyn",
	utype    = "force",
	scale    = 0.00000001,
	default  = "grf",
	link     = "Dyne",
    },
    ["t-f"] = {
	name1    = "tonne-force",
	name1_us = "tonne-force",
	name2    = "tonnes-force",
	name2_us = "tonnes-force",
	symbol   = "t<sub>f</sub>",
	sym_us   = "t<sub>f</sub>",
	utype    = "force",
	scale    = 9806.65,
	default  = "kN LTf STf",
	link     = "Kilogram-force",
    },
    ["tf"] = {
	name1    = "tonne-force",
	name1_us = "tonne-force",
	name2    = "tonnes-force",
	name2_us = "tonnes-force",
	symbol   = "tf",
	sym_us   = "tf",
	utype    = "force",
	scale    = 9806.65,
	default  = "kN LTf STf",
	link     = "Kilogram-force",
    },
    ["Mp"] = {
	name1    = "megapond",
	name1_us = "megapond",
	name2    = "megaponds",
	name2_us = "megaponds",
	symbol   = "Mp",
	sym_us   = "Mp",
	utype    = "force",
	scale    = 9806.65,
	default  = "kN LTf STf",
	link     = "Kilogram-force",
    },
    ["kg-f"] = {
	name1    = "kilogram-force",
	name1_us = "kilogram-force",
	name2    = "kilograms-force",
	name2_us = "kilograms-force",
	symbol   = "kg<sub>f</sub>",
	sym_us   = "kg<sub>f</sub>",
	utype    = "force",
	scale    = 9.80665,
	default  = "N lbf",
	link     = "Kilogram-force",
    },
    ["kgf"] = {
	name1    = "kilogram-force",
	name1_us = "kilogram-force",
	name2    = "kilograms-force",
	name2_us = "kilograms-force",
	symbol   = "kgf",
	sym_us   = "kgf",
	utype    = "force",
	scale    = 9.80665,
	default  = "N lbf",
	link     = "Kilogram-force",
    },
    ["kp"] = {
	name1    = "kilopond",
	name1_us = "kilopond",
	name2    = "kiloponds",
	name2_us = "kiloponds",
	symbol   = "kp",
	sym_us   = "kp",
	utype    = "force",
	scale    = 9.80665,
	default  = "N lbf",
	link     = "Kilogram-force",
    },
    ["g-f"] = {
	name1    = "gram-force",
	name1_us = "gram-force",
	name2    = "grams-force",
	name2_us = "grams-force",
	symbol   = "g<sub>f</sub>",
	sym_us   = "g<sub>f</sub>",
	utype    = "force",
	scale    = 0.00980665,
	default  = "mN ozf",
	link     = "Kilogram-force",
    },
    ["gf"] = {
	name1    = "gram-force",
	name1_us = "gram-force",
	name2    = "grams-force",
	name2_us = "grams-force",
	symbol   = "gf",
	sym_us   = "gf",
	utype    = "force",
	scale    = 0.00980665,
	default  = "mN ozf",
	link     = "Kilogram-force",
    },
    ["p"] = {
	name1    = "pond",
	name1_us = "pond",
	name2    = "ponds",
	name2_us = "ponds",
	symbol   = "p",
	sym_us   = "p",
	utype    = "force",
	scale    = 0.00980665,
	default  = "mN ozf",
	link     = "Kilogram-force",
    },
    ["mg-f"] = {
	name1    = "milligram-force",
	name1_us = "milligram-force",
	name2    = "milligrams-force",
	name2_us = "milligrams-force",
	symbol   = "mg<sub>f</sub>",
	sym_us   = "mg<sub>f</sub>",
	utype    = "force",
	scale    = 0.00000980665,
	default  = "µN grf",
	link     = "Kilogram-force",
    },
    ["mgf"] = {
	name1    = "milligram-force",
	name1_us = "milligram-force",
	name2    = "milligrams-force",
	name2_us = "milligrams-force",
	symbol   = "mgf",
	sym_us   = "mgf",
	utype    = "force",
	scale    = 0.00000980665,
	default  = "µN grf",
	link     = "Kilogram-force",
    },
    ["mp"] = {
	name1    = "millipond",
	name1_us = "millipond",
	name2    = "milliponds",
	name2_us = "milliponds",
	symbol   = "mp",
	sym_us   = "mp",
	utype    = "force",
	scale    = 0.00000980665,
	default  = "µN grf",
	link     = "Kilogram-force",
    },
    ["pdl"] = {
	name1    = "poundal",
	name1_us = "poundal",
	name2    = "poundals",
	name2_us = "poundals",
	symbol   = "pdl",
	sym_us   = "pdl",
	utype    = "force",
	scale    = 0.138254954376,
	default  = "N",
	link     = "Poundal",
    },
    ["LT-f"] = {
	name1    = "long ton-force",
	name1_us = "long ton-force",
	name2    = "long tons-force",
	name2_us = "long tons-force",
	symbol   = "LT<sub>f</sub>",
	sym_us   = "LT<sub>f</sub>",
	utype    = "force",
	scale    = 9964.01641818352,
	default  = "kN",
	link     = "Ton#Units of force",
    },
    ["LTf"] = {
	name1    = "long ton-force",
	name1_us = "long ton-force",
	name2    = "long tons-force",
	name2_us = "long tons-force",
	symbol   = "LTf",
	sym_us   = "LTf",
	utype    = "force",
	scale    = 9964.01641818352,
	default  = "kN",
	link     = "Ton#Units of force",
    },
    ["ST-f"] = {
	name1    = "short ton-force",
	name1_us = "short ton-force",
	name2    = "short tons-force",
	name2_us = "short tons-force",
	symbol   = "ST<sub>f</sub>",
	sym_us   = "ST<sub>f</sub>",
	utype    = "force",
	scale    = 8896.443230521,
	default  = "kN",
	link     = "Ton#Units of force",
    },
    ["STf"] = {
	name1    = "short ton-force",
	name1_us = "short ton-force",
	name2    = "short tons-force",
	name2_us = "short tons-force",
	symbol   = "STf",
	sym_us   = "STf",
	utype    = "force",
	scale    = 8896.443230521,
	default  = "kN",
	link     = "Ton#Units of force",
    },
    ["lb-f"] = {
	name1    = "pound-force",
	name1_us = "pound-force",
	name2    = "pounds-force",
	name2_us = "pounds-force",
	symbol   = "lb<sub>f</sub>",
	sym_us   = "lb<sub>f</sub>",
	utype    = "force",
	scale    = 4.4482216152605,
	default  = "N",
	link     = "Pound-force",
    },
    ["lbf"] = {
	name1    = "pound-force",
	name1_us = "pound-force",
	name2    = "pounds-force",
	name2_us = "pounds-force",
	symbol   = "lbf",
	sym_us   = "lbf",
	utype    = "force",
	scale    = 4.4482216152605,
	default  = "N",
	link     = "Pound-force",
    },
    ["oz-f"] = {
	name1    = "ounce-force",
	name1_us = "ounce-force",
	name2    = "ounces-force",
	name2_us = "ounces-force",
	symbol   = "oz<sub>f</sub>",
	sym_us   = "oz<sub>f</sub>",
	utype    = "force",
	scale    = 0.278013820309537,
	default  = "mN",
	link     = "Pound-force",
    },
    ["ozf"] = {
	name1    = "ounce-force",
	name1_us = "ounce-force",
	name2    = "ounces-force",
	name2_us = "ounces-force",
	symbol   = "ozf",
	sym_us   = "ozf",
	utype    = "force",
	scale    = 0.278013820309537,
	default  = "mN",
	link     = "Pound-force",
    },
    ["gr-f"] = {
	name1    = "grain-force",
	name1_us = "grain-force",
	name2    = "grains-force",
	name2_us = "grains-force",
	symbol   = "gr<sub>f</sub>",
	sym_us   = "gr<sub>f</sub>",
	utype    = "force",
	scale    = 0.000635460230752,
	default  = "µN",
	link     = "Pound-force",
    },
    ["grf"] = {
	name1    = "grain-force",
	name1_us = "grain-force",
	name2    = "grains-force",
	name2_us = "grains-force",
	symbol   = "grf",
	sym_us   = "grf",
	utype    = "force",
	scale    = 0.000635460230752,
	default  = "µN",
	link     = "Pound-force",
    },
    ["J"] = {
	name1    = "%sjoule",
	name1_us = "%sjoule",
	name2    = "%sjoules",
	name2_us = "%sjoules",
	symbol   = "J",
	sym_us   = "J",
	utype    = "energy",
	scale    = 1,
	prefixes = 1,
	default  = "cal",
	link     = "Joule",
    },
    ["uJ"] = {
	name1    = "microjoule",
	name1_us = "microjoule",
	name2    = "microjoules",
	name2_us = "microjoules",
	symbol   = "µJ",
	sym_us   = "µJ",
	utype    = "energy",
	scale    = 1e-006,
	default  = "cal",
	link     = "Joule",
    },
    ["Merg"] = {
	name1    = "megaerg",
	name1_us = "megaerg",
	name2    = "megaergs",
	name2_us = "megaergs",
	symbol   = "Merg",
	sym_us   = "Merg",
	utype    = "energy",
	scale    = 0.1,
	default  = "J",
	link     = "Erg",
    },
    ["kerg"] = {
	name1    = "kiloerg",
	name1_us = "kiloerg",
	name2    = "kiloergs",
	name2_us = "kiloergs",
	symbol   = "kerg",
	sym_us   = "kerg",
	utype    = "energy",
	scale    = 0.0001,
	default  = "mJ",
	link     = "Erg",
    },
    ["erg"] = {
	name1    = "erg",
	name1_us = "erg",
	name2    = "ergs",
	name2_us = "ergs",
	symbol   = "erg",
	sym_us   = "erg",
	utype    = "energy",
	scale    = 0.0000001,
	default  = "µJ",
	link     = "Erg",
    },
    ["merg"] = {
	name1    = "millierg",
	name1_us = "millierg",
	name2    = "milliergs",
	name2_us = "milliergs",
	symbol   = "merg",
	sym_us   = "merg",
	utype    = "energy",
	scale    = 0.0000000001,
	default  = "µJ",
	link     = "Erg",
    },
    ["µerg"] = {
	name1    = "microerg",
	name1_us = "microerg",
	name2    = "microergs",
	name2_us = "microergs",
	symbol   = "µerg",
	sym_us   = "µerg",
	utype    = "energy",
	scale    = 1e-13,
	default  = "nJ",
	link     = "Erg",
    },
    ["uerg"] = {
	name1    = "microerg",
	name1_us = "microerg",
	name2    = "microergs",
	name2_us = "microergs",
	symbol   = "µerg",
	sym_us   = "µerg",
	utype    = "energy",
	scale    = 1e-13,
	default  = "nJ",
	link     = "Erg",
    },
    ["TWh"] = {
	name1    = "terawatt-hour",
	name1_us = "terawatt-hour",
	name2    = "terawatt-hours",
	name2_us = "terawatt-hours",
	symbol   = "TWh",
	sym_us   = "TWh",
	utype    = "energy",
	scale    = 3.6e15,
	default  = "PJ",
	link     = "Watt-hour",
    },
    ["TW.h"] = {
	name1    = "terawatt-hour",
	name1_us = "terawatt-hour",
	name2    = "terawatt-hours",
	name2_us = "terawatt-hours",
	symbol   = "TW·h",
	sym_us   = "TW·h",
	utype    = "energy",
	scale    = 3.6e15,
	default  = "PJ",
	link     = "Watt-hour",
    },
    ["GWh"] = {
	name1    = "gigawatt-hour",
	name1_us = "gigawatt-hour",
	name2    = "gigawatt-hours",
	name2_us = "gigawatt-hours",
	symbol   = "GWh",
	sym_us   = "GWh",
	utype    = "energy",
	scale    = 3.6e12,
	default  = "TJ",
	link     = "Watt-hour",
    },
    ["GW.h"] = {
	name1    = "gigawatt-hour",
	name1_us = "gigawatt-hour",
	name2    = "gigawatt-hours",
	name2_us = "gigawatt-hours",
	symbol   = "GW·h",
	sym_us   = "GW·h",
	utype    = "energy",
	scale    = 3.6e12,
	default  = "TJ",
	link     = "Watt-hour",
    },
    ["MWh"] = {
	name1    = "megawatt-hour",
	name1_us = "megawatt-hour",
	name2    = "megawatt-hours",
	name2_us = "megawatt-hours",
	symbol   = "MWh",
	sym_us   = "MWh",
	utype    = "energy",
	scale    = 3600000000,
	default  = "GJ",
	link     = "Watt-hour",
    },
    ["MW.h"] = {
	name1    = "megawatt-hour",
	name1_us = "megawatt-hour",
	name2    = "megawatt-hours",
	name2_us = "megawatt-hours",
	symbol   = "MW·h",
	sym_us   = "MW·h",
	utype    = "energy",
	scale    = 3600000000,
	default  = "GJ",
	link     = "Watt-hour",
    },
    ["kWh"] = {
	name1    = "kilowatt-hour",
	name1_us = "kilowatt-hour",
	name2    = "kilowatt-hours",
	name2_us = "kilowatt-hours",
	symbol   = "kWh",
	sym_us   = "kWh",
	utype    = "energy",
	scale    = 3600000,
	default  = "MJ",
	link     = "Watt-hour",
    },
    ["kW.h"] = {
	name1    = "kilowatt-hour",
	name1_us = "kilowatt-hour",
	name2    = "kilowatt-hours",
	name2_us = "kilowatt-hours",
	symbol   = "kW·h",
	sym_us   = "kW·h",
	utype    = "energy",
	scale    = 3600000,
	default  = "MJ",
	link     = "Watt-hour",
    },
    ["Wh"] = {
	name1    = "watt-hour",
	name1_us = "watt-hour",
	name2    = "watt-hours",
	name2_us = "watt-hours",
	symbol   = "Wh",
	sym_us   = "Wh",
	utype    = "energy",
	scale    = 3600,
	default  = "kJ",
	link     = "Watt-hour",
    },
    ["W.h"] = {
	name1    = "watt-hour",
	name1_us = "watt-hour",
	name2    = "watt-hours",
	name2_us = "watt-hours",
	symbol   = "W·h",
	sym_us   = "W·h",
	utype    = "energy",
	scale    = 3600,
	default  = "kJ",
	link     = "Watt-hour",
    },
    ["mWh"] = {
	name1    = "milliwatt-hour",
	name1_us = "milliwatt-hour",
	name2    = "milliwatt-hours",
	name2_us = "milliwatt-hours",
	symbol   = "mWh",
	sym_us   = "mWh",
	utype    = "energy",
	scale    = 3.6,
	default  = "J",
	link     = "Watt-hour",
    },
    ["mW.h"] = {
	name1    = "milliwatt-hour",
	name1_us = "milliwatt-hour",
	name2    = "milliwatt-hours",
	name2_us = "milliwatt-hours",
	symbol   = "mW·h",
	sym_us   = "mW·h",
	utype    = "energy",
	scale    = 3.6,
	default  = "J",
	link     = "Watt-hour",
    },
    ["µWh"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µWh",
	sym_us   = "µWh",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["µW.h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["PeV"] = {
	name1    = "petaelectronvolt",
	name1_us = "petaelectronvolt",
	name2    = "petaelectronvolts",
	name2_us = "petaelectronvolts",
	symbol   = "PeV",
	sym_us   = "PeV",
	utype    = "energy",
	scale    = 0.0001602176487,
	default  = "mJ",
	link     = "Electronvolt",
    },
    ["TeV"] = {
	name1    = "teraelectronvolt",
	name1_us = "teraelectronvolt",
	name2    = "teraelectronvolts",
	name2_us = "teraelectronvolts",
	symbol   = "TeV",
	sym_us   = "TeV",
	utype    = "energy",
	scale    = 0.000000160217649,
	default  = "µJ",
	link     = "Electronvolt",
    },
    ["GeV"] = {
	name1    = "gigaelectronvolt",
	name1_us = "gigaelectronvolt",
	name2    = "gigaelectronvolts",
	name2_us = "gigaelectronvolts",
	symbol   = "GeV",
	sym_us   = "GeV",
	utype    = "energy",
	scale    = 0.000000000160218,
	default  = "nJ",
	link     = "Electronvolt",
    },
    ["MeV"] = {
	name1    = "megaelectronvolt",
	name1_us = "megaelectronvolt",
	name2    = "megaelectronvolts",
	name2_us = "megaelectronvolts",
	symbol   = "MeV",
	sym_us   = "MeV",
	utype    = "energy",
	scale    = 1.602176487e-13,
	default  = "pJ",
	link     = "Electronvolt",
    },
    ["keV"] = {
	name1    = "kiloelectronvolt",
	name1_us = "kiloelectronvolt",
	name2    = "kiloelectronvolts",
	name2_us = "kiloelectronvolts",
	symbol   = "keV",
	sym_us   = "keV",
	utype    = "energy",
	scale    = 1.602176487e-16,
	default  = "fJ",
	link     = "Electronvolt",
    },
    ["eV"] = {
	name1    = "electronvolt",
	name1_us = "electronvolt",
	name2    = "electronvolts",
	name2_us = "electronvolts",
	symbol   = "eV",
	sym_us   = "eV",
	utype    = "energy",
	scale    = 1.602176487e-19,
	default  = "aJ",
	link     = "Electronvolt",
    },
    ["meV"] = {
	name1    = "millielectronvolt",
	name1_us = "millielectronvolt",
	name2    = "millielectronvolts",
	name2_us = "millielectronvolts",
	symbol   = "meV",
	sym_us   = "meV",
	utype    = "energy",
	scale    = 1.602176487e-22,
	default  = "zJ",
	link     = "Electronvolt",
    },
    ["µeV"] = {
	name1    = "microelectronvolt",
	name1_us = "microelectronvolt",
	name2    = "microelectronvolts",
	name2_us = "microelectronvolts",
	symbol   = "µeV",
	sym_us   = "µeV",
	utype    = "energy",
	scale    = 1.602176487e-25,
	default  = "yJ",
	link     = "Electronvolt",
    },
    ["neV"] = {
	name1    = "nanoelectronvolt",
	name1_us = "nanoelectronvolt",
	name2    = "nanoelectronvolts",
	name2_us = "nanoelectronvolts",
	symbol   = "neV",
	sym_us   = "neV",
	utype    = "energy",
	scale    = 1.602176487e-28,
	default  = "yJ",
	link     = "Electronvolt",
    },
    ["peV"] = {
	name1    = "picoelectronvolt",
	name1_us = "picoelectronvolt",
	name2    = "picoelectronvolts",
	name2_us = "picoelectronvolts",
	symbol   = "peV",
	sym_us   = "peV",
	utype    = "energy",
	scale    = 1.60217649e-31,
	default  = "yJ",
	link     = "Electronvolt",
    },
    ["feV"] = {
	name1    = "femtoelectronvolt",
	name1_us = "femtoelectronvolt",
	name2    = "femtoelectronvolts",
	name2_us = "femtoelectronvolts",
	symbol   = "feV",
	sym_us   = "feV",
	utype    = "energy",
	scale    = 1.60218e-34,
	default  = "yJ",
	link     = "Electronvolt",
    },
    ["Cal"] = {
	name1    = "calorie",
	name1_us = "calorie",
	name2    = "calories",
	name2_us = "calories",
	symbol   = "Cal",
	sym_us   = "Cal",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["Mcal"] = {
	name1    = "megacalorie",
	name1_us = "megacalorie",
	name2    = "megacalories",
	name2_us = "megacalories",
	symbol   = "Mcal",
	sym_us   = "Mcal",
	utype    = "energy",
	scale    = 4184000,
	default  = "MJ",
	link     = "Calorie",
    },
    ["kcal"] = {
	name1    = "kilocalorie",
	name1_us = "kilocalorie",
	name2    = "kilocalories",
	name2_us = "kilocalories",
	symbol   = "kcal",
	sym_us   = "kcal",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["cal"] = {
	name1    = "calorie",
	name1_us = "calorie",
	name2    = "calories",
	name2_us = "calories",
	symbol   = "cal",
	sym_us   = "cal",
	utype    = "energy",
	scale    = 4.184,
	default  = "J",
	link     = "Calorie",
    },
    ["mcal"] = {
	name1    = "millicalorie",
	name1_us = "millicalorie",
	name2    = "millicalories",
	name2_us = "millicalories",
	symbol   = "mcal",
	sym_us   = "mcal",
	utype    = "energy",
	scale    = 0.004184,
	default  = "mJ",
	link     = "Calorie",
    },
    ["Cal-th"] = {
	name1    = "Calorie (thermochemical)",
	name1_us = "Calorie (thermochemical)",
	name2    = "Calories (thermochemical)",
	name2_us = "Calories (thermochemical)",
	symbol   = "Cal<sub>th</sub>",
	sym_us   = "Cal<sub>th</sub>",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["Mcal-th"] = {
	name1    = "megacalorie (thermochemical)",
	name1_us = "megacalorie (thermochemical)",
	name2    = "megacalories (thermochemical)",
	name2_us = "megacalories (thermochemical)",
	symbol   = "Mcal<sub>th</sub>",
	sym_us   = "Mcal<sub>th</sub>",
	utype    = "energy",
	scale    = 4184000,
	default  = "MJ",
	link     = "Calorie",
    },
    ["kcal-th"] = {
	name1    = "kilocalorie (thermochemical)",
	name1_us = "kilocalorie (thermochemical)",
	name2    = "kilocalories (thermochemical)",
	name2_us = "kilocalories (thermochemical)",
	symbol   = "kcal<sub>th</sub>",
	sym_us   = "kcal<sub>th</sub>",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["cal-th"] = {
	name1    = "calorie (thermochemical)",
	name1_us = "calorie (thermochemical)",
	name2    = "calories (thermochemical)",
	name2_us = "calories (thermochemical)",
	symbol   = "cal<sub>th</sub>",
	sym_us   = "cal<sub>th</sub>",
	utype    = "energy",
	scale    = 4.184,
	default  = "J",
	link     = "Calorie",
    },
    ["mcal-th"] = {
	name1    = "millicalorie (thermochemical)",
	name1_us = "millicalorie (thermochemical)",
	name2    = "millicalories (thermochemical)",
	name2_us = "millicalories (thermochemical)",
	symbol   = "mcal<sub>th</sub>",
	sym_us   = "mcal<sub>th</sub>",
	utype    = "energy",
	scale    = 0.004184,
	default  = "mJ",
	link     = "Calorie",
    },
    ["Cal-15"] = {
	name1    = "Calorie (15°C)",
	name1_us = "Calorie (15°C)",
	name2    = "Calories (15°C)",
	name2_us = "Calories (15°C)",
	symbol   = "Cal<sub>15</sub>",
	sym_us   = "Cal<sub>15</sub>",
	utype    = "energy",
	scale    = 4185.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["Mcal-15"] = {
	name1    = "megacalorie (15°C)",
	name1_us = "megacalorie (15°C)",
	name2    = "megacalories (15°C)",
	name2_us = "megacalories (15°C)",
	symbol   = "Mcal<sub>15</sub>",
	sym_us   = "Mcal<sub>15</sub>",
	utype    = "energy",
	scale    = 4185800,
	default  = "MJ",
	link     = "Calorie",
    },
    ["kcal-15"] = {
	name1    = "kilocalorie (15°C)",
	name1_us = "kilocalorie (15°C)",
	name2    = "kilocalories (15°C)",
	name2_us = "kilocalories (15°C)",
	symbol   = "kcal<sub>15</sub>",
	sym_us   = "kcal<sub>15</sub>",
	utype    = "energy",
	scale    = 4185.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["cal-15"] = {
	name1    = "calorie (15°C)",
	name1_us = "calorie (15°C)",
	name2    = "calories (15°C)",
	name2_us = "calories (15°C)",
	symbol   = "cal<sub>15</sub>",
	sym_us   = "cal<sub>15</sub>",
	utype    = "energy",
	scale    = 4.1858,
	default  = "J",
	link     = "Calorie",
    },
    ["mcal-15"] = {
	name1    = "millicalorie (15°C)",
	name1_us = "millicalorie (15°C)",
	name2    = "millicalories (15°C)",
	name2_us = "millicalories (15°C)",
	symbol   = "mcal<sub>15</sub>",
	sym_us   = "mcal<sub>15</sub>",
	utype    = "energy",
	scale    = 0.0041858,
	default  = "mJ",
	link     = "Calorie",
    },
    ["Cal-IT"] = {
	name1    = "Calorie (International Steam Table)",
	name1_us = "Calorie (International Steam Table)",
	name2    = "Calories (International Steam Table)",
	name2_us = "Calories (International Steam Table)",
	symbol   = "Cal<sub>IT</sub>",
	sym_us   = "Cal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4186.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["Mcal-IT"] = {
	name1    = "megacalorie (International Steam Table)",
	name1_us = "megacalorie (International Steam Table)",
	name2    = "megacalories (International Steam Table)",
	name2_us = "megacalories (International Steam Table)",
	symbol   = "Mcal<sub>IT</sub>",
	sym_us   = "Mcal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4186800,
	default  = "MJ",
	link     = "Calorie",
    },
    ["kcal-IT"] = {
	name1    = "kilocalorie (International Steam Table)",
	name1_us = "kilocalorie (International Steam Table)",
	name2    = "kilocalories (International Steam Table)",
	name2_us = "kilocalories (International Steam Table)",
	symbol   = "kcal<sub>IT</sub>",
	sym_us   = "kcal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4186.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["cal-IT"] = {
	name1    = "calorie (International Steam Table)",
	name1_us = "calorie (International Steam Table)",
	name2    = "calories (International Steam Table)",
	name2_us = "calories (International Steam Table)",
	symbol   = "cal<sub>IT</sub>",
	sym_us   = "cal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4.1868,
	default  = "J",
	link     = "Calorie",
    },
    ["mcal-IT"] = {
	name1    = "millicalorie (International Steam Table)",
	name1_us = "millicalorie (International Steam Table)",
	name2    = "millicalories (International Steam Table)",
	name2_us = "millicalories (International Steam Table)",
	symbol   = "mcal<sub>IT</sub>",
	sym_us   = "mcal<sub>IT</sub>",
	utype    = "energy",
	scale    = 0.0041868,
	default  = "mJ",
	link     = "Calorie",
    },
    ["ftpdl"] = {
	name1    = "foot-poundal",
	name1_us = "foot-poundal",
	name2    = "foot-poundals",
	name2_us = "foot-poundals",
	symbol   = "ft·pdl",
	sym_us   = "ft·pdl",
	utype    = "energy",
	scale    = 0.042140110093805,
	default  = "J",
	link     = "Foot-poundal",
    },
    ["ftlbf"] = {
	name1    = "foot-pound force",
	name1_us = "foot-pound force",
	name2    = "foot-pounds force",
	name2_us = "foot-pounds force",
	symbol   = "ft·lbf",
	sym_us   = "ft·lbf",
	utype    = "energy",
	scale    = 1.3558179483314,
	default  = "J",
	link     = "Foot-pound (energy)",
    },
    ["ftlb-f"] = {
	name1    = "foot-pound force",
	name1_us = "foot-pound force",
	name2    = "foot-pounds force",
	name2_us = "foot-pounds force",
	symbol   = "ft·lb<sub>f</sub>",
	sym_us   = "ft·lb<sub>f</sub>",
	utype    = "energy",
	scale    = 1.3558179483314,
	default  = "J",
	link     = "Foot-pound (energy)",
    },
    ["ftlb"] = {
	name1    = "foot-pound",
	name1_us = "foot-pound",
	name2    = "foot-pounds",
	name2_us = "foot-pounds",
	symbol   = "ft·lb",
	sym_us   = "ft·lb",
	utype    = "energy",
	scale    = 1.3558179483314,
	default  = "J",
	link     = "Foot-pound (energy)",
    },
    ["inlbf"] = {
	name1    = "inch-pound force",
	name1_us = "inch-pound force",
	name2    = "inch-pounds force",
	name2_us = "inch-pounds force",
	symbol   = "in·lbf",
	sym_us   = "in·lbf",
	utype    = "energy",
	scale    = 0.112984829027616,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["inlb-f"] = {
	name1    = "inch-pound force",
	name1_us = "inch-pound force",
	name2    = "inch-pounds force",
	name2_us = "inch-pounds force",
	symbol   = "in·lb<sub>f</sub>",
	sym_us   = "in·lb<sub>f</sub>",
	utype    = "energy",
	scale    = 0.112984829027616,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["inlb"] = {
	name1    = "inch-pound",
	name1_us = "inch-pound",
	name2    = "inch-pounds",
	name2_us = "inch-pounds",
	symbol   = "in·lb",
	sym_us   = "in·lb",
	utype    = "energy",
	scale    = 0.112984829027616,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["inozf"] = {
	name1    = "inch-ounce force",
	name1_us = "inch-ounce force",
	name2    = "inch-ounces force",
	name2_us = "inch-ounces force",
	symbol   = "in·ozf",
	sym_us   = "in·ozf",
	utype    = "energy",
	scale    = 0.007061551814226,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["inoz-f"] = {
	name1    = "inch-ounce force",
	name1_us = "inch-ounce force",
	name2    = "inch-ounces force",
	name2_us = "inch-ounces force",
	symbol   = "in·oz<sub>f</sub>",
	sym_us   = "in·oz<sub>f</sub>",
	utype    = "energy",
	scale    = 0.007061551814226,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["hph"] = {
	name1    = "horsepower-hour",
	name1_us = "horsepower-hour",
	name2    = "horsepower-hours",
	name2_us = "horsepower-hours",
	symbol   = "hp·h",
	sym_us   = "hp·h",
	utype    = "energy",
	scale    = 2684519.53769617,
	default  = "kWh",
	link     = "Horsepower",
    },
    ["Btu"] = {
	name1    = "British thermal unit",
	name1_us = "British thermal unit",
	name2    = "British thermal units",
	name2_us = "British thermal units",
	symbol   = "Btu",
	sym_us   = "Btu",
	utype    = "energy",
	scale    = 1055.05585262,
	default  = "kJ",
	link     = "British thermal unit",
    },
    ["BTU"] = {
	name1    = "British thermal unit",
	name1_us = "British thermal unit",
	name2    = "British thermal units",
	name2_us = "British thermal units",
	symbol   = "BTU",
	sym_us   = "BTU",
	utype    = "energy",
	scale    = 1055.05585262,
	default  = "kJ",
	link     = "British thermal unit",
    },
    ["MBtu"] = {
	name1    = "thousand British thermal units",
	name1_us = "thousand British thermal units",
	name2    = "thousand British thermal units",
	name2_us = "thousand British thermal units",
	symbol   = "MBtu",
	sym_us   = "MBtu",
	utype    = "energy",
	scale    = 1055055.85262,
	default  = "MJ",
	link     = "British thermal unit",
    },
    ["e3BTU"] = {
	name1    = "BTU",
	name1_us = "BTU",
	name2    = "British thermal units",
	name2_us = "British thermal units",
	symbol   = "BTU",
	sym_us   = "BTU",
	utype    = "energy",
	scale    = 1055055.85262,
	default  = "MJ",
	link     = "British thermal unit",
    },
    ["MMBtu"] = {
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    ["MBtu-mean"] = {
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	link     = "British thermal unit",
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    ["quad"] = {
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	name2_us = "quadrillion British thermal units",
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	link     = "Quad (energy)",
    },
    ["thm-EC"] = {
	name1    = "therm (EC)",
	name1_us = "therm (EC)",
	name2    = "therms (EC)",
	name2_us = "therms (EC)",
	symbol   = "thm (EC)",
	sym_us   = "thm (EC)",
	utype    = "energy",
	scale    = 105506000,
	default  = "MJ",
	link     = "Therm",
    },
    ["thm-UK"] = {
	name1    = "therm (UK)",
	name1_us = "therm (UK)",
	name2    = "therms (UK)",
	name2_us = "therms (UK)",
	symbol   = "thm (UK)",
	sym_us   = "thm (UK)",
	utype    = "energy",
	scale    = 105505585.257348,
	default  = "MJ",
	link     = "Therm",
    },
    ["thm-US"] = {
	name1    = "therm (US)",
	name1_us = "therm (U.S.)",
	name2    = "therms (US)",
	name2_us = "therms (U.S.)",
	symbol   = "thm (US)",
	sym_us   = "thm (U.S.)",
	utype    = "energy",
	scale    = 105480400,
	default  = "MJ",
	link     = "Therm",
    },
    ["TtTNT"] = {
	name1    = "teratonne of TNT",
	name1_us = "teratonne of TNT",
	name2    = "teratonnes of TNT",
	name2_us = "teratonnes of TNT",
	symbol   = "teratonne of TNT",
	sym_us   = "teratonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.1840000e21,
	default  = "ZJ",
	link     = "TNT equivalent",
    },
    ["TtonTNT"] = {
	name1    = "teraton of TNT",
	name1_us = "teraton of TNT",
	name2    = "teratons of TNT",
	name2_us = "teratons of TNT",
	symbol   = "teraton of TNT",
	sym_us   = "teraton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.1840000e21,
	default  = "ZJ",
	link     = "TNT equivalent",
    },
    ["GtTNT"] = {
	name1    = "gigatonne of TNT",
	name1_us = "gigatonne of TNT",
	name2    = "gigatonnes of TNT",
	name2_us = "gigatonnes of TNT",
	symbol   = "gigatonne of TNT",
	sym_us   = "gigatonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.1840e18,
	default  = "EJ",
	link     = "TNT equivalent",
    },
    ["GtonTNT"] = {
	name1    = "gigaton of TNT",
	name1_us = "gigaton of TNT",
	name2    = "gigatons of TNT",
	name2_us = "gigatons of TNT",
	symbol   = "gigaton of TNT",
	sym_us   = "gigaton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.1840e18,
	default  = "EJ",
	link     = "TNT equivalent",
    },
    ["MtTNT"] = {
	name1    = "megatonne of TNT",
	name1_us = "megatonne of TNT",
	name2    = "megatonnes of TNT",
	name2_us = "megatonnes of TNT",
	symbol   = "megatonne of TNT",
	sym_us   = "megatonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.184e15,
	default  = "PJ",
	link     = "TNT equivalent",
    },
    ["MtonTNT"] = {
	name1    = "megaton of TNT",
	name1_us = "megaton of TNT",
	name2    = "megatons of TNT",
	name2_us = "megatons of TNT",
	symbol   = "Mt",
	sym_us   = "Mt",
	utype    = "energy",
	scale    = 4.184e15,
	default  = "PJ",
	link     = "TNT equivalent",
    },
    ["ktTNT"] = {
	name1    = "kilotonne of TNT",
	name1_us = "kilotonne of TNT",
	name2    = "kilotonnes of TNT",
	name2_us = "kilotonnes of TNT",
	symbol   = "kilotonne of TNT",
	sym_us   = "kilotonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4.184e12,
	default  = "TJ",
	link     = "TNT equivalent",
    },
    ["ktonTNT"] = {
	name1    = "kiloton of TNT",
	name1_us = "kiloton of TNT",
	name2    = "kilotons of TNT",
	name2_us = "kilotons of TNT",
	symbol   = "kt",
	sym_us   = "kt",
	utype    = "energy",
	scale    = 4.184e12,
	default  = "TJ",
	link     = "TNT equivalent",
    },
    ["tTNT"] = {
	name1    = "tonne of TNT",
	name1_us = "tonne of TNT",
	name2    = "tonnes of TNT",
	name2_us = "tonnes of TNT",
	symbol   = "tonne of TNT",
	sym_us   = "tonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184000000,
	default  = "GJ",
	link     = "TNT equivalent",
    },
    ["tonTNT"] = {
	name1    = "ton of TNT",
	name1_us = "ton of TNT",
	name2    = "tons of TNT",
	name2_us = "tons of TNT",
	symbol   = "ton of TNT",
	sym_us   = "ton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184000000,
	default  = "GJ",
	link     = "TNT equivalent",
    },
    ["kgTNT"] = {
	name1    = "kilogram of TNT",
	name1_us = "kilogram of TNT",
	name2    = "kilograms of TNT",
	name2_us = "kilograms of TNT",
	symbol   = "kilogram of TNT",
	sym_us   = "kilogram of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184000,
	default  = "MJ",
	link     = "TNT equivalent",
    },
    ["mtTNT"] = {
	name1    = "millitonne of TNT",
	name1_us = "millitonne of TNT",
	name2    = "millitonnes of TNT",
	name2_us = "millitonnes of TNT",
	symbol   = "millitonne of TNT",
	sym_us   = "millitonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184000,
	default  = "MJ",
	link     = "TNT equivalent",
    },
    ["mtonTNT"] = {
	name1    = "milliton of TNT",
	name1_us = "milliton of TNT",
	name2    = "millitons of TNT",
	name2_us = "millitons of TNT",
	symbol   = "milliton of TNT",
	sym_us   = "milliton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184000,
	default  = "MJ",
	link     = "TNT equivalent",
    },
    ["gTNT"] = {
	name1    = "gram of TNT",
	name1_us = "gram of TNT",
	name2    = "grams of TNT",
	name2_us = "grams of TNT",
	symbol   = "gram of TNT",
	sym_us   = "gram of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "TNT equivalent",
    },
    ["µtTNT"] = {
	name1    = "microtonne of TNT",
	name1_us = "microtonne of TNT",
	name2    = "microtonnes of TNT",
	name2_us = "microtonnes of TNT",
	symbol   = "microtonne of TNT",
	sym_us   = "microtonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "TNT equivalent",
    },
    ["µtonTNT"] = {
	name1    = "microton of TNT",
	name1_us = "microton of TNT",
	name2    = "microtons of TNT",
	name2_us = "microtons of TNT",
	symbol   = "microton of TNT",
	sym_us   = "microton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "TNT equivalent",
    },
    ["Gtoe"] = {
	name1    = "gigatonne of oil equivalent",
	name1_us = "gigatonne of oil equivalent",
	name2    = "gigatonnes of oil equivalent",
	name2_us = "gigatonnes of oil equivalent",
	symbol   = "Gtoe",
	sym_us   = "Gtoe",
	utype    = "energy",
	scale    = 4.18680e19,
	default  = "EJ",
	link     = "Tonne of oil equivalent",
    },
    ["Mtoe"] = {
	name1    = "megatonne of oil equivalent",
	name1_us = "megatonne of oil equivalent",
	name2    = "megatonnes of oil equivalent",
	name2_us = "megatonnes of oil equivalent",
	symbol   = "Mtoe",
	sym_us   = "Mtoe",
	utype    = "energy",
	scale    = 4.1868e16,
	default  = "PJ",
	link     = "Tonne of oil equivalent",
    },
    ["ktoe"] = {
	name1    = "kilotonne of oil equivalent",
	name1_us = "kilotonne of oil equivalent",
	name2    = "kilotonnes of oil equivalent",
	name2_us = "kilotonnes of oil equivalent",
	symbol   = "ktoe",
	sym_us   = "ktoe",
	utype    = "energy",
	scale    = 4.1868e13,
	default  = "TJ",
	link     = "Tonne of oil equivalent",
    },
    ["toe"] = {
	name1    = "tonne of oil equivalent",
	name1_us = "tonne of oil equivalent",
	name2    = "tonnes of oil equivalent",
	name2_us = "tonnes of oil equivalent",
	symbol   = "toe",
	sym_us   = "toe",
	utype    = "energy",
	scale    = 41868000000,
	default  = "GJ",
	link     = "Tonne of oil equivalent",
    },
    ["kBOE"] = {
	name1    = "kilo barrel of oil equivalent",
	name1_us = "kilo barrel of oil equivalent",
	name2    = "kilo barrels of oil equivalent",
	name2_us = "kilo barrels of oil equivalent",
	symbol   = "kBOE",
	sym_us   = "kBOE",
	utype    = "energy",
	scale    = 6.1178632e12,
	default  = "TJ",
	link     = "Barrel of oil equivalent",
    },
    ["BOE"] = {
	name1    = "barrel of oil equivalent",
	name1_us = "barrel of oil equivalent",
	name2    = "barrels of oil equivalent",
	name2_us = "barrels of oil equivalent",
	symbol   = "BOE",
	sym_us   = "BOE",
	utype    = "energy",
	scale    = 6117863200,
	default  = "GJ",
	link     = "Barrel of oil equivalent",
    },
    ["m3atm"] = {
	name1    = "cubic metre-atmosphere",
	name1_us = "cubic meter-atmosphere",
	name2    = "cubic metre-atmospheres",
	name2_us = "cubic meter-atmospheres",
	symbol   = "m<sup>3</sup>·atm",
	sym_us   = "m<sup>3</sup>·atm",
	utype    = "energy",
	scale    = 101325,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["scc"] = {
	name1    = "standard cubic centimetre",
	name1_us = "standard cubic centimeter",
	name2    = "standard cubic centimetres",
	name2_us = "standard cubic centimeters",
	symbol   = "scc",
	sym_us   = "scc",
	utype    = "energy",
	scale    = 0.101325,
	default  = "mJ",
	link     = "Atmosphere (unit)",
    },
    ["cm3atm"] = {
	name1    = "cubic centimetre-atmosphere",
	name1_us = "cubic centimeter-atmosphere",
	name2    = "cubic centimetre-atmospheres",
	name2_us = "cubic centimeter-atmospheres",
	symbol   = "cm<sup>3</sup>·atm",
	sym_us   = "cm<sup>3</sup>·atm",
	utype    = "energy",
	scale    = 0.101325,
	default  = "mJ",
	link     = "Atmosphere (unit)",
    },
    ["ccatm"] = {
	name1    = "cubic centimetre-atmosphere",
	name1_us = "cubic centimeter-atmosphere",
	name2    = "cubic centimetre-atmospheres",
	name2_us = "cubic centimeter-atmospheres",
	symbol   = "cc·atm",
	sym_us   = "cc·atm",
	utype    = "energy",
	scale    = 0.101325,
	default  = "mJ",
	link     = "Atmosphere (unit)",
    },
    ["Glatm"] = {
	name1    = "gigalitre-atmosphere",
	name1_us = "gigaliter-atmosphere",
	name2    = "gigalitre-atmospheres",
	name2_us = "gigaliter-atmospheres",
	symbol   = "Gl·atm",
	sym_us   = "Gl·atm",
	utype    = "energy",
	scale    = 101325000000,
	default  = "GJ",
	link     = "Atmosphere (unit)",
    },
    ["GLatm"] = {
	name1    = "gigalitre-atmosphere",
	name1_us = "gigaliter-atmosphere",
	name2    = "gigalitre-atmospheres",
	name2_us = "gigaliter-atmospheres",
	symbol   = "GL·atm",
	sym_us   = "GL·atm",
	utype    = "energy",
	scale    = 101325000000,
	default  = "GJ",
	link     = "Atmosphere (unit)",
    },
    ["Mlatm"] = {
	name1    = "megalitre-atmosphere",
	name1_us = "megaliter-atmosphere",
	name2    = "megalitre-atmospheres",
	name2_us = "megaliter-atmospheres",
	symbol   = "Ml·atm",
	sym_us   = "Ml·atm",
	utype    = "energy",
	scale    = 101325000,
	default  = "MJ",
	link     = "Atmosphere (unit)",
    },
    ["MLatm"] = {
	name1    = "megalitre-atmosphere",
	name1_us = "megaliter-atmosphere",
	name2    = "megalitre-atmospheres",
	name2_us = "megaliter-atmospheres",
	symbol   = "ML·atm",
	sym_us   = "ML·atm",
	utype    = "energy",
	scale    = 101325000,
	default  = "MJ",
	link     = "Atmosphere (unit)",
    },
    ["klatm"] = {
	name1    = "kilolitre-atmosphere",
	name1_us = "kiloliter-atmosphere",
	name2    = "kilolitre-atmospheres",
	name2_us = "kiloliter-atmospheres",
	symbol   = "kl·atm",
	sym_us   = "kl·atm",
	utype    = "energy",
	scale    = 101325,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["kLatm"] = {
	name1    = "kilolitre-atmosphere",
	name1_us = "kiloliter-atmosphere",
	name2    = "kilolitre-atmospheres",
	name2_us = "kiloliter-atmospheres",
	symbol   = "kL·atm",
	sym_us   = "kL·atm",
	utype    = "energy",
	scale    = 101325,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["sl"] = {
	name1    = "standard litre",
	name1_us = "standard liter",
	name2    = "standard litres",
	name2_us = "standard liters",
	symbol   = "sl",
	sym_us   = "sl",
	utype    = "energy",
	scale    = 101.325,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["latm"] = {
	name1    = "litre-atmosphere",
	name1_us = "liter-atmosphere",
	name2    = "litre-atmospheres",
	name2_us = "liter-atmospheres",
	symbol   = "l·atm",
	sym_us   = "l·atm",
	utype    = "energy",
	scale    = 101.325,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["Latm"] = {
	name1    = "litre-atmosphere",
	name1_us = "liter-atmosphere",
	name2    = "litre-atmospheres",
	name2_us = "liter-atmospheres",
	symbol   = "L·atm",
	sym_us   = "L·atm",
	utype    = "energy",
	scale    = 101.325,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["mlatm"] = {
	name1    = "millilitre-atmosphere",
	name1_us = "milliliter-atmosphere",
	name2    = "millilitre-atmospheres",
	name2_us = "milliliter-atmospheres",
	symbol   = "l·atm",
	sym_us   = "l·atm",
	utype    = "energy",
	scale    = 0.101325,
	default  = "mJ",
	link     = "Atmosphere (unit)",
    },
    ["mLatm"] = {
	name1    = "millilitre-atmosphere",
	name1_us = "milliliter-atmosphere",
	name2    = "millilitre-atmospheres",
	name2_us = "milliliter-atmospheres",
	symbol   = "L·atm",
	sym_us   = "L·atm",
	utype    = "energy",
	scale    = 0.101325,
	default  = "mJ",
	link     = "Atmosphere (unit)",
    },
    ["µlatm"] = {
	name1    = "microlitre-atmosphere",
	name1_us = "microliter-atmosphere",
	name2    = "microlitre-atmospheres",
	name2_us = "microliter-atmospheres",
	symbol   = "µl·atm",
	sym_us   = "µl·atm",
	utype    = "energy",
	scale    = 0.000101325,
	default  = "µJ",
	link     = "Atmosphere (unit)",
    },
    ["µLatm"] = {
	name1    = "microlitre-atmosphere",
	name1_us = "microliter-atmosphere",
	name2    = "microlitre-atmospheres",
	name2_us = "microliter-atmospheres",
	symbol   = "µL·atm",
	sym_us   = "µL·atm",
	utype    = "energy",
	scale    = 0.000101325,
	default  = "µJ",
	link     = "Atmosphere (unit)",
    },
    ["scy"] = {
	name1    = "standard cubic yard",
	name1_us = "standard cubic yard",
	name2    = "standard cubic yards",
	name2_us = "standard cubic yards",
	symbol   = "scy",
	sym_us   = "scy",
	utype    = "energy",
	scale    = 77468.5209852288,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["cuydatm"] = {
	name1    = "cubic yard of atmosphere",
	name1_us = "cubic yard of atmosphere",
	name2    = "cubic yards of atmosphere",
	name2_us = "cubic yards of atmosphere",
	symbol   = "cu&nbsp;yd&nbsp;atm",
	sym_us   = "cu&nbsp;yd&nbsp;atm",
	utype    = "energy",
	scale    = 77468.5209852288,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["scf"] = {
	name1    = "standard cubic foot",
	name1_us = "standard cubic foot",
	name2    = "standard cubic feet",
	name2_us = "standard cubic feet",
	symbol   = "scf",
	sym_us   = "scf",
	utype    = "energy",
	scale    = 2869.2044809344,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["scfoot"] = {
	name1    = "standard cubic foot",
	name1_us = "standard cubic foot",
	name2    = "standard cubic foot",
	name2_us = "standard cubic foot",
	symbol   = "scf",
	sym_us   = "scf",
	utype    = "energy",
	scale    = 2869.2044809344,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["cuftatm"] = {
	name1    = "cubic foot of atmosphere",
	name1_us = "cubic foot of atmosphere",
	name2    = "cubic feet of atmosphere",
	name2_us = "cubic feet of atmosphere",
	symbol   = "cu&nbsp;ft&nbsp;atm",
	sym_us   = "cu&nbsp;ft&nbsp;atm",
	utype    = "energy",
	scale    = 2869.2044809344,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["cufootatm"] = {
	name1    = "cubic foot of atmosphere",
	name1_us = "cubic foot of atmosphere",
	name2    = "cubic foot of atmosphere",
	name2_us = "cubic foot of atmosphere",
	symbol   = "cu&nbsp;ft&nbsp;atm",
	sym_us   = "cu&nbsp;ft&nbsp;atm",
	utype    = "energy",
	scale    = 2869.2044809344,
	default  = "kJ",
	link     = "Atmosphere (unit)",
    },
    ["impgalatm"] = {
	name1    = "imperial gallon-atmosphere",
	name1_us = "imperial gallon-atmosphere",
	name2    = "imperial gallon-atmospheres",
	name2_us = "imperial gallon-atmospheres",
	symbol   = "imp gal·atm",
	sym_us   = "imp gal·atm",
	utype    = "energy",
	scale    = 460.63256925,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["USgalatm"] = {
	name1    = "US gallon-atmosphere",
	name1_us = "U.S. gallon-atmosphere",
	name2    = "US gallon-atmospheres",
	name2_us = "U.S. gallon-atmospheres",
	symbol   = "US&nbsp;gal·atm",
	sym_us   = "U.S.&nbsp;gal·atm",
	utype    = "energy",
	scale    = 383.5568490138,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["foe"] = {
	name1    = "foe",
	name1_us = "foe",
	name2    = "foes",
	name2_us = "foes",
	symbol   = "foe",
	sym_us   = "foe",
	utype    = "energy",
	scale    = 1.0000000000000e44,
	default  = "YJ",
	link     = "Foe (unit of energy)",
    },
    ["B.O.T.U."] = {
	name1    = "Board of Trade Unit",
	name1_us = "Board of Trade Unit",
	name2    = "Board of Trade Units",
	name2_us = "Board of Trade Units",
	symbol   = "B.O.T.U.",
	sym_us   = "B.O.T.U.",
	utype    = "energy",
	scale    = 3600000,
	default  = "MJ",
	link     = "Watt-hour",
    },
    ["CHU-IT"] = {
	name1    = "Celsius heat unit (International Table)",
	name1_us = "Celsius heat unit (International Table)",
	name2    = "Celsius heat units (International Table)",
	name2_us = "Celsius heat units (International Table)",
	symbol   = "CHU<sub>IT</sub>",
	sym_us   = "CHU<sub>IT</sub>",
	utype    = "energy",
	scale    = 1899.100534716,
	default  = "kJ",
	link     = "Conversion of units",
    },
    ["th"] = {
	name1    = "thermie",
	name1_us = "thermie",
	name2    = "thermies",
	name2_us = "thermies",
	symbol   = "th",
	sym_us   = "th",
	utype    = "energy",
	scale    = 4186800,
	default  = "MJ",
	link     = "Conversion of units",
    },
    ["Eh"] = {
	name1    = "Hartree",
	name1_us = "Hartree",
	name2    = "Hartrees",
	name2_us = "Hartrees",
	symbol   = "''E''<sub>h</sub>",
	sym_us   = "''E''<sub>h</sub>",
	utype    = "energy",
	scale    = 4.35974417e-18,
	default  = "eV",
	link     = "Hartree",
    },
    ["Ry"] = {
	name1    = "rydberg",
	name1_us = "rydberg",
	name2    = "rydbergs",
	name2_us = "rydbergs",
	symbol   = "Ry",
	sym_us   = "Ry",
	utype    = "energy",
	scale    = 2.1798741e-18,
	default  = "eV",
	link     = "Rydberg constant",
    },
    ["cuftnaturalgas"] = {
	name1    = "cubic foot of natural gas",
	name1_us = "cubic foot of natural gas",
	name2    = "cubic feet of natural gas",
	name2_us = "cubic feet of natural gas",
	symbol   = "cuftnaturalgas",
	sym_us   = "cuftnaturalgas",
	utype    = "energy",
	scale    = 1055055.85262,
	default  = "MJ",
	link     = "Conversion of units",
    },
    ["cufootnaturalgas"] = {
	name1    = "cubic foot of natural gas",
	name1_us = "cubic foot of natural gas",
	name2    = "cubic foot of natural gas",
	name2_us = "cubic foot of natural gas",
	symbol   = "cuftnaturalgas",
	sym_us   = "cuftnaturalgas",
	utype    = "energy",
	scale    = 1055055.85262,
	default  = "MJ",
	link     = "Conversion of units",
    },
    ["TW·h"] = {
	name1    = "terawatt-hour",
	name1_us = "terawatt-hour",
	name2    = "terawatt-hours",
	name2_us = "terawatt-hours",
	symbol   = "TW·h",
	sym_us   = "TW·h",
	utype    = "energy",
	scale    = 3.6e15,
	default  = "PJ",
	link     = "Watt-hour",
    },
    ["TW-h"] = {
	name1    = "terawatt-hour",
	name1_us = "terawatt-hour",
	name2    = "terawatt-hours",
	name2_us = "terawatt-hours",
	symbol   = "TW·h",
	sym_us   = "TW·h",
	utype    = "energy",
	scale    = 3.6e15,
	default  = "PJ",
	link     = "Watt-hour",
    },
    ["GW·h"] = {
	name1    = "gigawatt-hour",
	name1_us = "gigawatt-hour",
	name2    = "gigawatt-hours",
	name2_us = "gigawatt-hours",
	symbol   = "GW·h",
	sym_us   = "GW·h",
	utype    = "energy",
	scale    = 3.6e12,
	default  = "TJ",
	link     = "Watt-hour",
    },
    ["GW-h"] = {
	name1    = "gigawatt-hour",
	name1_us = "gigawatt-hour",
	name2    = "gigawatt-hours",
	name2_us = "gigawatt-hours",
	symbol   = "GW·h",
	sym_us   = "GW·h",
	utype    = "energy",
	scale    = 3.6e12,
	default  = "TJ",
	link     = "Watt-hour",
    },
    ["MW·h"] = {
	name1    = "megawatt-hour",
	name1_us = "megawatt-hour",
	name2    = "megawatt-hours",
	name2_us = "megawatt-hours",
	symbol   = "MW·h",
	sym_us   = "MW·h",
	utype    = "energy",
	scale    = 3600000000,
	default  = "GJ",
	link     = "Watt-hour",
    },
    ["MW-h"] = {
	name1    = "megawatt-hour",
	name1_us = "megawatt-hour",
	name2    = "megawatt-hours",
	name2_us = "megawatt-hours",
	symbol   = "MW·h",
	sym_us   = "MW·h",
	utype    = "energy",
	scale    = 3600000000,
	default  = "GJ",
	link     = "Watt-hour",
    },
    ["kW·h"] = {
	name1    = "kilowatt-hour",
	name1_us = "kilowatt-hour",
	name2    = "kilowatt-hours",
	name2_us = "kilowatt-hours",
	symbol   = "kW·h",
	sym_us   = "kW·h",
	utype    = "energy",
	scale    = 3600000,
	default  = "MJ",
	link     = "Watt-hour",
    },
    ["kW-h"] = {
	name1    = "kilowatt-hour",
	name1_us = "kilowatt-hour",
	name2    = "kilowatt-hours",
	name2_us = "kilowatt-hours",
	symbol   = "kW·h",
	sym_us   = "kW·h",
	utype    = "energy",
	scale    = 3600000,
	default  = "MJ",
	link     = "Watt-hour",
    },
    ["W·h"] = {
	name1    = "watt-hour",
	name1_us = "watt-hour",
	name2    = "watt-hours",
	name2_us = "watt-hours",
	symbol   = "W·h",
	sym_us   = "W·h",
	utype    = "energy",
	scale    = 3600,
	default  = "kJ",
	link     = "Watt-hour",
    },
    ["W-h"] = {
	name1    = "watt-hour",
	name1_us = "watt-hour",
	name2    = "watt-hours",
	name2_us = "watt-hours",
	symbol   = "W·h",
	sym_us   = "W·h",
	utype    = "energy",
	scale    = 3600,
	default  = "kJ",
	link     = "Watt-hour",
    },
    ["mW·h"] = {
	name1    = "milliwatt-hour",
	name1_us = "milliwatt-hour",
	name2    = "milliwatt-hours",
	name2_us = "milliwatt-hours",
	symbol   = "mW·h",
	sym_us   = "mW·h",
	utype    = "energy",
	scale    = 3.6,
	default  = "J",
	link     = "Watt-hour",
    },
    ["mW-h"] = {
	name1    = "milliwatt-hour",
	name1_us = "milliwatt-hour",
	name2    = "milliwatt-hours",
	name2_us = "milliwatt-hours",
	symbol   = "mW·h",
	sym_us   = "mW·h",
	utype    = "energy",
	scale    = 3.6,
	default  = "J",
	link     = "Watt-hour",
    },
    ["uWh"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µWh",
	sym_us   = "µWh",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["uW·h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["µW·h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["uW.h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["µW-h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["uW-h"] = {
	name1    = "microwatt-hour",
	name1_us = "microwatt-hour",
	name2    = "microwatt-hours",
	name2_us = "microwatt-hours",
	symbol   = "µW·h",
	sym_us   = "µW·h",
	utype    = "energy",
	scale    = 0.0036,
	default  = "mJ",
	link     = "Watt-hour",
    },
    ["ueV"] = {
	name1    = "microelectronvolt",
	name1_us = "microelectronvolt",
	name2    = "microelectronvolts",
	name2_us = "microelectronvolts",
	symbol   = "µeV",
	sym_us   = "µeV",
	utype    = "energy",
	scale    = 1.602176487e-25,
	default  = "yJ",
	link     = "Electronvolt",
    },
    ["Calorie"] = {
	name1    = "calorie",
	name1_us = "calorie",
	name2    = "calories",
	name2_us = "calories",
	symbol   = "Cal",
	sym_us   = "Cal",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["kg-cal-th"] = {
	name1    = "Calorie (thermochemical)",
	name1_us = "Calorie (thermochemical)",
	name2    = "Calories (thermochemical)",
	name2_us = "Calories (thermochemical)",
	symbol   = "Cal<sub>th</sub>",
	sym_us   = "Cal<sub>th</sub>",
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "Calorie",
    },
    ["g-cal-th"] = {
	name1    = "calorie (thermochemical)",
	name1_us = "calorie (thermochemical)",
	name2    = "calories (thermochemical)",
	name2_us = "calories (thermochemical)",
	symbol   = "cal<sub>th</sub>",
	sym_us   = "cal<sub>th</sub>",
	utype    = "energy",
	scale    = 4.184,
	default  = "J",
	link     = "Calorie",
    },
    ["kg-cal-15"] = {
	name1    = "Calorie (15°C)",
	name1_us = "Calorie (15°C)",
	name2    = "Calories (15°C)",
	name2_us = "Calories (15°C)",
	symbol   = "Cal<sub>15</sub>",
	sym_us   = "Cal<sub>15</sub>",
	utype    = "energy",
	scale    = 4185.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["g-cal-15"] = {
	name1    = "calorie (15°C)",
	name1_us = "calorie (15°C)",
	name2    = "calories (15°C)",
	name2_us = "calories (15°C)",
	symbol   = "cal<sub>15</sub>",
	sym_us   = "cal<sub>15</sub>",
	utype    = "energy",
	scale    = 4.1858,
	default  = "J",
	link     = "Calorie",
    },
    ["kg-cal-IT"] = {
	name1    = "Calorie (International Steam Table)",
	name1_us = "Calorie (International Steam Table)",
	name2    = "Calories (International Steam Table)",
	name2_us = "Calories (International Steam Table)",
	symbol   = "Cal<sub>IT</sub>",
	sym_us   = "Cal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4186.8,
	default  = "kJ",
	link     = "Calorie",
    },
    ["g-cal-IT"] = {
	name1    = "calorie (International Steam Table)",
	name1_us = "calorie (International Steam Table)",
	name2    = "calories (International Steam Table)",
	name2_us = "calories (International Steam Table)",
	symbol   = "cal<sub>IT</sub>",
	sym_us   = "cal<sub>IT</sub>",
	utype    = "energy",
	scale    = 4.1868,
	default  = "J",
	link     = "Calorie",
    },
    ["utTNT"] = {
	name1    = "microtonne of TNT",
	name1_us = "microtonne of TNT",
	name2    = "microtonnes of TNT",
	name2_us = "microtonnes of TNT",
	symbol   = "microtonne of TNT",
	sym_us   = "microtonne of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "TNT equivalent",
    },
    ["utonTNT"] = {
	name1    = "microton of TNT",
	name1_us = "microton of TNT",
	name2    = "microtons of TNT",
	name2_us = "microtons of TNT",
	symbol   = "microton of TNT",
	sym_us   = "microton of TNT",
	usename  = 1,
	utype    = "energy",
	scale    = 4184,
	default  = "kJ",
	link     = "TNT equivalent",
    },
    ["kbboe"] = {
	name1    = "kilo barrel of oil equivalent",
	name1_us = "kilo barrel of oil equivalent",
	name2    = "kilo barrels of oil equivalent",
	name2_us = "kilo barrels of oil equivalent",
	symbol   = "kBOE",
	sym_us   = "kBOE",
	utype    = "energy",
	scale    = 6.1178632e12,
	default  = "TJ",
	link     = "Barrel of oil equivalent",
    },
    ["ulatm"] = {
	name1    = "microlitre-atmosphere",
	name1_us = "microliter-atmosphere",
	name2    = "microlitre-atmospheres",
	name2_us = "microliter-atmospheres",
	symbol   = "µl·atm",
	sym_us   = "µl·atm",
	utype    = "energy",
	scale    = 0.000101325,
	default  = "µJ",
	link     = "Atmosphere (unit)",
    },
    ["uLatm"] = {
	name1    = "microlitre-atmosphere",
	name1_us = "microliter-atmosphere",
	name2    = "microlitre-atmospheres",
	name2_us = "microliter-atmospheres",
	symbol   = "µL·atm",
	sym_us   = "µL·atm",
	utype    = "energy",
	scale    = 0.000101325,
	default  = "µJ",
	link     = "Atmosphere (unit)",
    },
    ["usgalatm"] = {
	name1    = "US gallon-atmosphere",
	name1_us = "U.S. gallon-atmosphere",
	name2    = "US gallon-atmospheres",
	name2_us = "U.S. gallon-atmospheres",
	symbol   = "US&nbsp;gal·atm",
	sym_us   = "U.S.&nbsp;gal·atm",
	utype    = "energy",
	scale    = 383.5568490138,
	default  = "J",
	link     = "Atmosphere (unit)",
    },
    ["U.S.galatm"] = {
	name1    = "US gallon-atmosphere",
	name1_us = "U.S. gallon-atmosphere",
	name2    = "US gallon-atmospheres",
	name2_us = "U.S. gallon-atmospheres",
	symbol   = "US&nbsp;gal·atm",
	sym_us   = "U.S.&nbsp;gal·atm",
	utype    = "energy",
	scale    = 383.5568490138,
	default  = "J",
	link     = "Atmosphere (unit)",
	sp_us    = true,
    },
    ["Hartree"] = {
	name1    = "Hartree",
	name1_us = "Hartree",
	name2    = "Hartrees",
	name2_us = "Hartrees",
	symbol   = "''E''<sub>h</sub>",
	sym_us   = "''E''<sub>h</sub>",
	utype    = "energy",
	scale    = 4.35974417e-18,
	default  = "eV",
	link     = "Hartree",
    },
    ["K"] = {
	name1    = "K",
	name1_us = "K",
	name2    = "K",
	name2_us = "K",
	symbol   = "K",
	sym_us   = "K",
	utype    = "temperature",
	scale    = 1,
	offset   = 0,
	default  = "C F",
	link     = "Kelvin",
    },
    ["C"] = {
	name1    = "°C",
	name1_us = "°C",
	name2    = "°C",
	name2_us = "°C",
	symbol   = "°C",
	sym_us   = "°C",
	utype    = "temperature",
	scale    = 1,
	offset   = -273.15,
	default  = "F",
	link     = "Celsius",
    },
    ["°C"] = {
	name1    = "°C",
	name1_us = "°C",
	name2    = "°C",
	name2_us = "°C",
	symbol   = "°C",
	sym_us   = "°C",
	utype    = "temperature",
	scale    = 1,
	offset   = -273.15,
	default  = "F",
	link     = "Celsius",
    },
    ["R"] = {
	name1    = "°R",
	name1_us = "°R",
	name2    = "°R",
	name2_us = "°R",
	symbol   = "°R",
	sym_us   = "°R",
	utype    = "temperature",
	scale    = 5/9,
	offset   = 0,
	default  = "K F C",
	link     = "Rankine scale",
    },
    ["°R"] = {
	name1    = "°R",
	name1_us = "°R",
	name2    = "°R",
	name2_us = "°R",
	symbol   = "°R",
	sym_us   = "°R",
	utype    = "temperature",
	scale    = 5/9,
	offset   = 0,
	default  = "K F C",
	link     = "Rankine scale",
    },
    ["F"] = {
	name1    = "°F",
	name1_us = "°F",
	name2    = "°F",
	name2_us = "°F",
	symbol   = "°F",
	sym_us   = "°F",
	utype    = "temperature",
	scale    = 5/9,
	offset   = 32-273.15*(9/5),
	default  = "C",
	link     = "Fahrenheit",
    },
    ["°F"] = {
	name1    = "°F",
	name1_us = "°F",
	name2    = "°F",
	name2_us = "°F",
	symbol   = "°F",
	sym_us   = "°F",
	utype    = "temperature",
	scale    = 5/9,
	offset   = 32-273.15*(9/5),
	default  = "C",
	link     = "Fahrenheit",
    },
    ["K-change"] = {
	name1    = "K",
	name1_us = "K",
	name2    = "K",
	name2_us = "K",
	symbol   = "K",
	sym_us   = "K",
	utype    = "temperature change",
	scale    = 1,
	default  = "F-change",
	link     = "Kelvin",
    },
    ["C-change"] = {
	name1    = "°C",
	name1_us = "°C",
	name2    = "°C",
	name2_us = "°C",
	symbol   = "°C",
	sym_us   = "°C",
	utype    = "temperature change",
	scale    = 1,
	default  = "F-change",
	link     = "Celsius",
    },
    ["F-change"] = {
	name1    = "°F",
	name1_us = "°F",
	name2    = "°F",
	name2_us = "°F",
	symbol   = "°F",
	sym_us   = "°F",
	utype    = "temperature change",
	scale    = 5/9,
	default  = "C-change",
	link     = "Fahrenheit",
    },
    ["kg"] = {
	name1    = "kilogram",
	name1_us = "kilogram",
	name2    = "kilograms",
	name2_us = "kilograms",
	symbol   = "kg",
	sym_us   = "kg",
	utype    = "mass",
	scale    = 1,
	default  = "lb",
	link     = "Kilogram",
    },
    ["g"] = {
	name1    = "%sgram",
	name1_us = "%sgram",
	name2    = "%sgrams",
	name2_us = "%sgrams",
	symbol   = "g",
	sym_us   = "g",
	utype    = "mass",
	scale    = 0.001,
	prefixes = 1,
	default  = "oz",
	link     = "Gram",
    },
    ["mg"] = {
	name1    = "milligram",
	name1_us = "milligram",
	name2    = "milligrams",
	name2_us = "milligrams",
	symbol   = "mg",
	sym_us   = "mg",
	utype    = "mass",
	scale    = 0.000001,
	default  = "gr",
	link     = "Milligram",
    },
    ["µg"] = {
	name1    = "microgram",
	name1_us = "microgram",
	name2    = "micrograms",
	name2_us = "micrograms",
	symbol   = "µg",
	sym_us   = "µg",
	utype    = "mass",
	scale    = 0.000000001,
	default  = "gr",
	link     = "Microgram",
    },
    ["ug"] = {
	name1    = "microgram",
	name1_us = "microgram",
	name2    = "micrograms",
	name2_us = "micrograms",
	symbol   = "µg",
	sym_us   = "µg",
	utype    = "mass",
	scale    = 0.000000001,
	default  = "gr",
	link     = "Microgram",
    },
    ["mcg"] = {
	name1    = "microgram",
	name1_us = "microgram",
	name2    = "micrograms",
	name2_us = "micrograms",
	symbol   = "µg",
	sym_us   = "µg",
	utype    = "mass",
	scale    = 0.000000001,
	default  = "gr",
	link     = "Microgram",
    },
    ["t"] = {
	name1    = "tonne",
	name1_us = "metric ton",
	name2    = "tonnes",
	name2_us = "metric tons",
	symbol   = "t",
	sym_us   = "t",
	utype    = "mass",
	scale    = 1000,
	default  = "LT ST",
	link     = "Tonne",
    },
    ["MT"] = {
	name1    = "metric ton",
	name1_us = "metric ton",
	name2    = "metric tons",
	name2_us = "metric tons",
	symbol   = "t",
	sym_us   = "t",
	utype    = "mass",
	scale    = 1000,
	default  = "LT ST",
	link     = "Tonne",
    },
    ["LT"] = {
	name1    = "long ton",
	name1_us = "long ton",
	name2    = "long tons",
	name2_us = "long tons",
	symbol   = "long ton",
	sym_us   = "long ton",
	usename  = 1,
	utype    = "mass",
	scale    = 1016.0469088,
	default  = "t",
	link     = "Long ton",
    },
    ["ST"] = {
	name1    = "short ton",
	name1_us = "short ton",
	name2    = "short tons",
	name2_us = "short tons",
	symbol   = "short ton",
	sym_us   = "short ton",
	usename  = 1,
	utype    = "mass",
	scale    = 907.18474,
	default  = "t",
	link     = "Short ton",
    },
    ["long cwt"] = {
	name1    = "long hundredweight",
	name1_us = "long hundredweight",
	name2    = "long hundredweights",
	name2_us = "long hundredweights",
	symbol   = "long&nbsp;cwt",
	sym_us   = "long&nbsp;cwt",
	utype    = "mass",
	scale    = 50.80234544,
	default  = "lb kg",
	link     = "Hundredweight",
    },
    ["short cwt"] = {
	name1    = "short hundredweight",
	name1_us = "short hundredweight",
	name2    = "short hundredweights",
	name2_us = "short hundredweights",
	symbol   = "short&nbsp;cwt",
	sym_us   = "short&nbsp;cwt",
	utype    = "mass",
	scale    = 45.359237,
	default  = "lb kg",
	link     = "Hundredweight",
    },
    ["long qtr"] = {
	name1    = "long quarter",
	name1_us = "long quarter",
	name2    = "long quarters",
	name2_us = "long quarters",
	symbol   = "long&nbsp;qtr",
	sym_us   = "long&nbsp;qtr",
	utype    = "mass",
	scale    = 12.70058636,
	default  = "lb kg",
	link     = "Avoirdupois",
    },
    ["short qtr"] = {
	name1    = "short quarter",
	name1_us = "short quarter",
	name2    = "short quarters",
	name2_us = "short quarters",
	symbol   = "short&nbsp;qtr",
	sym_us   = "short&nbsp;qtr",
	utype    = "mass",
	scale    = 11.33980925,
	default  = "lb kg",
	link     = "Avoirdupois",
    },
    ["st"] = {
	name1    = "stone",
	name1_us = "stone",
	name2    = "stone",
	name2_us = "stone",
	symbol   = "st",
	sym_us   = "st",
	utype    = "mass",
	scale    = 6.35029318,
	default  = "lb kg",
	link     = "Stone (unit)",
    },
    ["lb"] = {
	name1    = "pound",
	name1_us = "pound",
	name2    = "pounds",
	name2_us = "pounds",
	symbol   = "lb",
	sym_us   = "lb",
	utype    = "mass",
	scale    = 0.45359237,
	default  = "kg",
	link     = "Pound (mass)",
    },
    ["oz"] = {
	name1    = "ounce",
	name1_us = "ounce",
	name2    = "ounces",
	name2_us = "ounces",
	symbol   = "oz",
	sym_us   = "oz",
	utype    = "mass",
	scale    = 0.028349523,
	default  = "g",
	link     = "Ounce",
    },
    ["drachm"] = {
	name1    = "drachm",
	name1_us = "dram",
	name2    = "drachms",
	name2_us = "drams",
	symbol   = "drachm",
	sym_us   = "drachm",
	usename  = 1,
	utype    = "mass",
	scale    = 0.001771845195,
	default  = "g",
	link     = "Dram (unit)",
    },
    ["dram"] = {
	name1    = "drachm",
	name1_us = "dram",
	name2    = "drachms",
	name2_us = "drams",
	symbol   = "drachm",
	sym_us   = "drachm",
	usename  = 1,
	utype    = "mass",
	scale    = 0.001771845195,
	default  = "g",
	link     = "Dram (unit)",
    },
    ["gr"] = {
	name1    = "grain",
	name1_us = "grain",
	name2    = "grains",
	name2_us = "grains",
	symbol   = "gr",
	sym_us   = "gr",
	utype    = "mass",
	scale    = 0.00006479891,
	default  = "g",
	link     = "Grain (unit)",
    },
    ["troy pound"] = {
	name1    = "troy pound",
	name1_us = "troy pound",
	name2    = "troy pounds",
	name2_us = "troy pounds",
	symbol   = "troy pound",
	sym_us   = "troy pound",
	usename  = 1,
	utype    = "mass",
	scale    = 0.3732417216,
	default  = "lb kg",
	link     = "Troy weight",
    },
    ["ozt"] = {
	name1    = "troy ounce",
	name1_us = "troy ounce",
	name2    = "troy ounces",
	name2_us = "troy ounces",
	symbol   = "ozt",
	sym_us   = "ozt",
	utype    = "mass",
	scale    = 0.0311034768,
	default  = "oz g",
	link     = "Troy ounce",
    },
    ["dwt"] = {
	name1    = "pennyweight",
	name1_us = "pennyweight",
	name2    = "pennyweights",
	name2_us = "pennyweights",
	symbol   = "dwt",
	sym_us   = "dwt",
	utype    = "mass",
	scale    = 0.00155517384,
	default  = "oz g",
	link     = "Pennyweight",
    },
    ["carat"] = {
	name1    = "carat",
	name1_us = "carat",
	name2    = "carats",
	name2_us = "carats",
	symbol   = "carat",
	sym_us   = "carat",
	usename  = 1,
	utype    = "mass",
	scale    = 0.0002,
	default  = "g",
	link     = "Carat (mass)",
    },
    ["Nm"] = {
	name1    = "newton metre",
	name1_us = "newton meter",
	name2    = "newton metres",
	name2_us = "newton meters",
	symbol   = "N·m",
	sym_us   = "N·m",
	utype    = "torque",
	scale    = 1,
	default  = "lbfft",
	link     = "Newton metre",
    },
    ["kgm"] = {
	name1    = "kilogram metre",
	name1_us = "kilogram meter",
	name2    = "kilogram metres",
	name2_us = "kilogram meters",
	symbol   = "kg·m",
	sym_us   = "kg·m",
	utype    = "torque",
	scale    = 9.80665,
	default  = "Nm lbfft",
	link     = "Kilogram metre",
    },
    ["lbft"] = {
	name1    = "pound-foot",
	name1_us = "pound-foot",
	name2    = "pound-feet",
	name2_us = "pound-feet",
	symbol   = "lb·ft",
	sym_us   = "lb·ft",
	utype    = "torque",
	scale    = 1.3558,
	default  = "Nm",
	link     = "Foot-pound",
    },
    ["kgf.m"] = {
	name1    = "kilogram force-metre",
	name1_us = "kilogram force-meter",
	name2    = "kilogram force-metres",
	name2_us = "kilogram force-meters",
	symbol   = "kgf·m",
	sym_us   = "kgf·m",
	utype    = "torque",
	scale    = 9.80665,
	default  = "Nm lbfft",
	link     = "Kilogram metre",
    },
    ["lbfft"] = {
	name1    = "pound force-foot",
	name1_us = "pound force-foot",
	name2    = "pound force-feet",
	name2_us = "pound force-feet",
	symbol   = "lbf·ft",
	sym_us   = "lbf·ft",
	utype    = "torque",
	scale    = 1.3558,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["lb-fft"] = {
	name1    = "pound force-foot",
	name1_us = "pound force-foot",
	name2    = "pound force-feet",
	name2_us = "pound force-feet",
	symbol   = "ft·lb<sub>f</sub>",
	sym_us   = "ft·lb<sub>f</sub>",
	utype    = "torque",
	scale    = 1.3558,
	default  = "Nm",
	link     = "Foot-pound force",
    },
    ["Pa"] = {
	name1    = "%spascal",
	name1_us = "%spascal",
	name2    = "%spascals",
	name2_us = "%spascals",
	symbol   = "Pa",
	sym_us   = "Pa",
	utype    = "pressure",
	scale    = 1,
	prefixes = 1,
	default  = "psi",
	link     = "Pascal (unit)",
    },
    ["mbar"] = {
	name1    = "millibar",
	name1_us = "millibar",
	name2    = "millibars",
	name2_us = "millibars",
	symbol   = "mbar",
	sym_us   = "mbar",
	utype    = "pressure",
	scale    = 100,
	default  = "hPa",
	link     = "Bar (unit)",
    },
    ["mb"] = {
	name1    = "millibar",
	name1_us = "millibar",
	name2    = "millibars",
	name2_us = "millibars",
	symbol   = "mb",
	sym_us   = "mb",
	utype    = "pressure",
	scale    = 100,
	default  = "hPa",
	link     = "Bar (unit)",
    },
    ["dbar"] = {
	name1    = "decibar",
	name1_us = "decibar",
	name2    = "decibars",
	name2_us = "decibars",
	symbol   = "dbar",
	sym_us   = "dbar",
	utype    = "pressure",
	scale    = 10000,
	default  = "kPa",
	link     = "Bar (unit)",
    },
    ["bar"] = {
	name1    = "bar",
	name1_us = "bar",
	name2    = "bars",
	name2_us = "bars",
	symbol   = "bar",
	sym_us   = "bar",
	utype    = "pressure",
	scale    = 100000,
	default  = "kPa",
	link     = "Bar (unit)",
    },
    ["kBa"] = {
	name1    = "kilobarye",
	name1_us = "kilobarye",
	name2    = "kilobaryes",
	name2_us = "kilobaryes",
	symbol   = "kBa",
	sym_us   = "kBa",
	utype    = "pressure",
	scale    = 100,
	default  = "hPa",
	link     = "Barye",
    },
    ["Ba"] = {
	name1    = "barye",
	name1_us = "barye",
	name2    = "baryes",
	name2_us = "baryes",
	symbol   = "Ba",
	sym_us   = "Ba",
	utype    = "pressure",
	scale    = 0.1,
	default  = "Pa",
	link     = "Barye",
    },
    ["atm"] = {
	name1    = "standard atmosphere",
	name1_us = "standard atmosphere",
	name2    = "standard atmospheres",
	name2_us = "standard atmospheres",
	symbol   = "atm",
	sym_us   = "atm",
	utype    = "pressure",
	scale    = 101325,
	default  = "kPa",
	link     = "Atmosphere (unit)",
    },
    ["Torr"] = {
	name1    = "torr",
	name1_us = "torr",
	name2    = "torrs",
	name2_us = "torrs",
	symbol   = "Torr",
	sym_us   = "Torr",
	utype    = "pressure",
	scale    = 20265/152,
	default  = "kPa",
	link     = "Torr",
    },
    ["mmHg"] = {
	name1    = "millimetre of mercury",
	name1_us = "millimeter of mercury",
	name2    = "millimetres of mercury",
	name2_us = "millimeters of mercury",
	symbol   = "mmHg",
	sym_us   = "mmHg",
	utype    = "pressure",
	scale    = 133.322387415,
	default  = "kPa",
	link     = "Torr#Manometric units of pressure",
    },
    ["inHg"] = {
	name1    = "inch of mercury",
	name1_us = "inch of mercury",
	name2    = "inches of mercury",
	name2_us = "inches of mercury",
	symbol   = "inHg",
	sym_us   = "inHg",
	utype    = "pressure",
	scale    = 3386.388640341,
	default  = "kPa",
	link     = "Inch of mercury",
    },
    ["psi"] = {
	name1    = "pound per square inch",
	name1_us = "pound per square inch",
	name2    = "pounds per square inch",
	name2_us = "pounds per square inch",
	symbol   = "psi",
	sym_us   = "psi",
	utype    = "pressure",
	scale    = 444822161.52605/64516,
	default  = "kPa",
	link     = "Pounds per square inch",
    },
    ["l/100 km"] = {
	name1    = "litre per 100 kilometres",
	name1_us = "liter per 100 kilometers",
	name2    = "litres per 100 kilometres",
	name2_us = "liters per 100 kilometers",
	symbol   = "l/100&nbsp;km",
	sym_us   = "l/100&nbsp;km",
	utype    = "fuel efficiency",
	scale    = 0.01,
	invert   = 1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["L/100 km"] = {
	name1    = "litre per 100 kilometres",
	name1_us = "liter per 100 kilometers",
	name2    = "litres per 100 kilometres",
	name2_us = "liters per 100 kilometers",
	symbol   = "L/100&nbsp;km",
	sym_us   = "L/100&nbsp;km",
	utype    = "fuel efficiency",
	scale    = 0.01,
	invert   = 1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["l/km"] = {
	name1    = "litre per kilometre",
	name1_us = "liter per kilometer",
	name2    = "litres per kilometre",
	name2_us = "liters per kilometer",
	symbol   = "l/km",
	sym_us   = "l/km",
	utype    = "fuel efficiency",
	scale    = 1,
	invert   = 1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["L/km"] = {
	name1    = "litre per kilometre",
	name1_us = "liter per kilometer",
	name2    = "litres per kilometre",
	name2_us = "liters per kilometer",
	symbol   = "L/km",
	sym_us   = "L/km",
	utype    = "fuel efficiency",
	scale    = 1,
	invert   = 1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["impgal/mi"] = {
	name1    = "imperial gallon per mile",
	name1_us = "imperial gallon per mile",
	name2    = "imperial gallons per mile",
	name2_us = "imperial gallons per mile",
	symbol   = "imp&nbsp;gal/mi",
	sym_us   = "imp&nbsp;gal/mi",
	utype    = "fuel efficiency",
	scale    = 4.54609/1.609344,
	invert   = 1,
	default  = "l/km USgal/mi",
	link     = "Fuel economy in automobiles",
    },
    ["usgal/mi"] = {
	name1    = "US gallon per mile",
	name1_us = "U.S. gallon per mile",
	name2    = "US gallons per mile",
	name2_us = "U.S. gallons per mile",
	symbol   = "US&nbsp;gal/mi",
	sym_us   = "U.S.&nbsp;gal/mi",
	utype    = "fuel efficiency",
	scale    = 3.785411784/1.609344,
	invert   = 1,
	default  = "l/km impgal/mi",
	link     = "Fuel economy in automobiles",
    },
    ["USgal/mi"] = {
	name1    = "US gallon per mile",
	name1_us = "U.S. gallon per mile",
	name2    = "US gallons per mile",
	name2_us = "U.S. gallons per mile",
	symbol   = "US&nbsp;gal/mi",
	sym_us   = "U.S.&nbsp;gal/mi",
	utype    = "fuel efficiency",
	scale    = 3.785411784/1.609344,
	invert   = 1,
	default  = "l/km impgal/mi",
	link     = "Fuel economy in automobiles",
    },
    ["U.S.gal/mi"] = {
	name1    = "US gallon per mile",
	name1_us = "U.S. gallon per mile",
	name2    = "US gallons per mile",
	name2_us = "U.S. gallons per mile",
	symbol   = "US&nbsp;gal/mi",
	sym_us   = "U.S.&nbsp;gal/mi",
	utype    = "fuel efficiency",
	scale    = 3.785411784/1.609344,
	invert   = 1,
	default  = "l/km impgal/mi",
	link     = "Fuel economy in automobiles",
	sp_us    = true,
    },
    ["km/l"] = {
	name1    = "kilometre per litre",
	name1_us = "kilometer per liter",
	name2    = "kilometres per litre",
	name2_us = "kilometers per liter",
	symbol   = "km/l",
	sym_us   = "km/l",
	utype    = "fuel efficiency",
	scale    = 1,
	invert   = -1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["km/L"] = {
	name1    = "kilometre per litre",
	name1_us = "kilometer per liter",
	name2    = "kilometres per litre",
	name2_us = "kilometers per liter",
	symbol   = "km/L",
	sym_us   = "km/L",
	utype    = "fuel efficiency",
	scale    = 1,
	invert   = -1,
	default  = "mpgimp mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["mpgimp"] = {
	name1    = "mile per imperial gallon",
	name1_us = "mile per imperial gallon",
	name2    = "miles per imperial gallon",
	name2_us = "miles per imperial gallon",
	symbol   = "mpg<sub><small>-imp</small></sub>",
	sym_us   = "mpg<sub><small>-imp</small></sub>",
	utype    = "fuel efficiency",
	scale    = 1.609344/4.54609,
	invert   = -1,
	default  = "l/100 km mpgus",
	link     = "Fuel economy in automobiles",
    },
    ["mpgus"] = {
	name1    = "mile per US gallon",
	name1_us = "mile per U.S. gallon",
	name2    = "miles per US gallon",
	name2_us = "miles per U.S. gallon",
	symbol   = "mpg<sub><small>-US</small></sub>",
	sym_us   = "mpg<sub><small>-U.S.</small></sub>",
	utype    = "fuel efficiency",
	scale    = 1.609344/3.785411784,
	invert   = -1,
	default  = "l/100 km mpgimp",
	link     = "Fuel economy in automobiles",
    },
    ["mpgUS"] = {
	name1    = "mile per US gallon",
	name1_us = "mile per U.S. gallon",
	name2    = "miles per US gallon",
	name2_us = "miles per U.S. gallon",
	symbol   = "mpg<sub><small>-US</small></sub>",
	sym_us   = "mpg<sub><small>-U.S.</small></sub>",
	utype    = "fuel efficiency",
	scale    = 1.609344/3.785411784,
	invert   = -1,
	default  = "l/100 km mpgimp",
	link     = "Fuel economy in automobiles",
    },
    ["mpgU.S."] = {
	name1    = "mile per US gallon",
	name1_us = "mile per U.S. gallon",
	name2    = "miles per US gallon",
	name2_us = "miles per U.S. gallon",
	symbol   = "mpg<sub><small>-US</small></sub>",
	sym_us   = "mpg<sub><small>-U.S.</small></sub>",
	utype    = "fuel efficiency",
	scale    = 1.609344/3.785411784,
	invert   = -1,
	default  = "l/100 km mpgimp",
	link     = "Fuel economy in automobiles",
	sp_us    = true,
    },
    ["W"] = {
	name1    = "%swatt",
	name1_us = "%swatt",
	name2    = "%swatts",
	name2_us = "%swatts",
	symbol   = "W",
	sym_us   = "W",
	utype    = "power",
	scale    = 1,
	prefixes = 1,
	default  = "hp",
	link     = "Watt",
    },
    ["bhp"] = {
	name1    = "brake horsepower",
	name1_us = "brake horsepower",
	name2    = "brake horsepower",
	name2_us = "brake horsepower",
	symbol   = "bhp",
	sym_us   = "bhp",
	utype    = "power",
	scale    = 745.69987158227022,
	default  = "kW",
	link     = "Horsepower#Brake horsepower",
    },
    ["hp"] = {
	name1    = "horsepower",
	name1_us = "horsepower",
	name2    = "horsepower",
	name2_us = "horsepower",
	symbol   = "hp",
	sym_us   = "hp",
	utype    = "power",
	scale    = 745.69987158227022,
	default  = "kW",
	link     = "Horsepower",
    },
    ["PS"] = {
	name1    = "metric horsepower",
	name1_us = "metric horsepower",
	name2    = "metric horsepower",
	name2_us = "metric horsepower",
	symbol   = "PS",
	sym_us   = "PS",
	utype    = "power",
	scale    = 735.49875,
	default  = "kW",
	link     = "Metric horsepower",
    },
    ["PD/sqkm"] = {
	name1    = "inhabitants per square kilometre",
	name1_us = "inhabitants per square kilometer",
	name2    = "inhabitants per square kilometre",
	name2_us = "inhabitants per square kilometer",
	symbol   = "PD/km<sup>2</sup>",
	sym_us   = "PD/km<sup>2</sup>",
	utype    = "population density",
	scale    = 1,
	default  = "PD/sqmi",
	link     = "Square kilometre",
    },
    ["/sqkm"] = {
	name1    = "per square kilometre",
	name1_us = "per square kilometer",
	name2    = "per square kilometre",
	name2_us = "per square kilometer",
	symbol   = "/km<sup>2</sup>",
	sym_us   = "/km<sup>2</sup>",
	utype    = "population density",
	scale    = 1,
	default  = "/sqmi",
	link     = "Square kilometre",
    },
    ["PD/ha"] = {
	name1    = "inhabitants per hectare",
	name1_us = "inhabitants per hectare",
	name2    = "inhabitants per hectare",
	name2_us = "inhabitants per hectare",
	symbol   = "PD/ha",
	sym_us   = "PD/ha",
	utype    = "population density",
	scale    = 100,
	default  = "PD/acre",
	link     = "Hectare",
    },
    ["/ha"] = {
	name1    = "per hectare",
	name1_us = "per hectare",
	name2    = "per hectare",
	name2_us = "per hectare",
	symbol   = "/ha",
	sym_us   = "/ha",
	utype    = "population density",
	scale    = 100,
	default  = "/acre",
	link     = "Hectare",
    },
    ["PD/sqmi"] = {
	name1    = "inhabitants per square mile",
	name1_us = "inhabitants per square mile",
	name2    = "inhabitants per square mile",
	name2_us = "inhabitants per square mile",
	symbol   = "PD/sq&nbsp;mi",
	sym_us   = "PD/sq&nbsp;mi",
	utype    = "population density",
	scale    = 1000000/2589988.110336,
	default  = "PD/sqkm",
	link     = "Square mile",
    },
    ["/sqmi"] = {
	name1    = "per square mile",
	name1_us = "per square mile",
	name2    = "per square mile",
	name2_us = "per square mile",
	symbol   = "/sq&nbsp;mi",
	sym_us   = "/sq&nbsp;mi",
	utype    = "population density",
	scale    = 1000000/2589988.110336,
	default  = "/sqkm",
	link     = "Square mile",
    },
    ["PD/acre"] = {
	name1    = "inhabitants per acre",
	name1_us = "inhabitants per acre",
	name2    = "inhabitants per acre",
	name2_us = "inhabitants per acre",
	symbol   = "PD/acre",
	sym_us   = "PD/acre",
	utype    = "population density",
	scale    = 1000000/4046.856422,
	default  = "PD/ha",
	link     = "Acre",
    },
    ["/acre"] = {
	name1    = "per acre",
	name1_us = "per acre",
	name2    = "per acre",
	name2_us = "per acre",
	symbol   = "/acre",
	sym_us   = "/acre",
	utype    = "population density",
	scale    = 1000000/4046.856422,
	default  = "/ha",
	link     = "Acre",
    },
    ["$/lb"] = {
	name1    = "dollar per pound",
	name1_us = "dollar per pound",
	name2    = "dollars per pound",
	name2_us = "dollars per pound",
	symbol   = "$/lb",
	sym_us   = "$/lb",
	utype    = "cost per unit mass",
	scale    = 1/0.45359237,
	default  = "$/kg",
	link     = "Pound",
    },
    ["$/kg"] = {
	name1    = "dollar per kilogram",
	name1_us = "dollar per kilogram",
	name2    = "dollars per kilogram",
	name2_us = "dollars per kilogram",
	symbol   = "$/kg",
	sym_us   = "$/kg",
	utype    = "cost per unit mass",
	scale    = 1,
	default  = "$/lb",
	link     = "Kilogram",
    },
    ["$/ozt"] = {
	name1    = "dollar per troy ounce",
	name1_us = "dollar per troy ounce",
	name2    = "dollars per troy ounce",
	name2_us = "dollars per troy ounce",
	symbol   = "$/ozt",
	sym_us   = "$/ozt",
	utype    = "cost per unit mass",
	scale    = 1/0.0311034768,
	default  = "$/kg",
	link     = "Troy ounce",
    },
    ["Bq"] = {
	name1    = "%sbecquerel",
	name1_us = "%sbecquerel",
	name2    = "%sbecquerels",
	name2_us = "%sbecquerels",
	symbol   = "Bq",
	sym_us   = "Bq",
	utype    = "radioactivity",
	scale    = 1,
	prefixes = 1,
	default  = "pCi",
	link     = "Becquerel",
    },
    ["Ci"] = {
	name1    = "%scurie",
	name1_us = "%scurie",
	name2    = "%scuries",
	name2_us = "%scuries",
	symbol   = "Ci",
	sym_us   = "Ci",
	utype    = "radioactivity",
	scale    = 3.7e10,
	prefixes = 1,
	default  = "GBq",
	link     = "Curie",
    },
    ["s"] = {
	name1    = "%ssecond",
	name1_us = "%ssecond",
	name2    = "%sseconds",
	name2_us = "%sseconds",
	symbol   = "s",
	sym_us   = "s",
	utype    = "time",
	scale    = 1,
	prefixes = 1,
	default  = "min",
	link     = "Second",
    },
    ["min"] = {
	name1    = "minute",
	name1_us = "minute",
	name2    = "minutes",
	name2_us = "minutes",
	symbol   = "min",
	sym_us   = "min",
	utype    = "time",
	scale    = 60,
	default  = "s",
	link     = "Minute",
    },
    ["h"] = {
	name1    = "hour",
	name1_us = "hour",
	name2    = "hours",
	name2_us = "hours",
	symbol   = "h",
	sym_us   = "h",
	utype    = "time",
	scale    = 3600,
	default  = "min",
	link     = "Hour",
    },
    ["hour"] = {
	name1    = "hour",
	name1_us = "hour",
	name2    = "hours",
	name2_us = "hours",
	symbol   = "h",
	sym_us   = "h",
	utype    = "time",
	scale    = 3600,
	default  = "min",
	link     = "Hour",
    },
    ["day"] = {
	name1    = "day",
	name1_us = "day",
	name2    = "days",
	name2_us = "days",
	symbol   = "day",
	sym_us   = "day",
	utype    = "time",
	scale    = 86400,
	default  = "hour",
	link     = "Day",
    },
    ["week"] = {
	name1    = "week",
	name1_us = "week",
	name2    = "weeks",
	name2_us = "weeks",
	symbol   = "week",
	sym_us   = "week",
	utype    = "time",
	scale    = 604800,
	default  = "day",
	link     = "Week",
    },
    ["month"] = {
	name1    = "month",
	name1_us = "month",
	name2    = "months",
	name2_us = "months",
	symbol   = "month",
	sym_us   = "month",
	utype    = "time",
	scale    = 2629800,
	default  = "day",
	link     = "Month",
    },
    ["mth"] = {
	name1    = "month",
	name1_us = "month",
	name2    = "months",
	name2_us = "months",
	symbol   = "month",
	sym_us   = "month",
	utype    = "time",
	scale    = 2629800,
	default  = "day",
	link     = "Month",
    },
    ["year"] = {
	name1    = "year",
	name1_us = "year",
	name2    = "years",
	name2_us = "years",
	symbol   = "year",
	sym_us   = "year",
	utype    = "time",
	scale    = 31557600,
	default  = "month",
	link     = "Annum",
    },
    ["decade"] = {
	name1    = "decade",
	name1_us = "decade",
	name2    = "decades",
	name2_us = "decades",
	symbol   = "decade",
	sym_us   = "decade",
	utype    = "time",
	scale    = 315576000,
	default  = "year",
	link     = "Decade",
    },
    ["century"] = {
	name1    = "century",
	name1_us = "century",
	name2    = "centuries",
	name2_us = "centuries",
	symbol   = "century",
	sym_us   = "century",
	utype    = "time",
	scale    = 3155760000,
	default  = "year",
	link     = "Century",
    },
    ["cm in"] = {
	combination = { "cm", "in", },
	utype    = "length",
    },
    ["foot m"] = {
	combination = { "foot", "m", },
	utype    = "length",
    },
    ["ft m"] = {
	combination = { "ft", "m", },
	utype    = "length",
    },
    ["in cm"] = {
	combination = { "in", "cm", },
	utype    = "length",
    },
    ["in mm"] = {
	combination = { "in", "mm", },
	utype    = "length",
    },
    ["km mi"] = {
	combination = { "km", "mi", },
	utype    = "length",
    },
    ["m foot"] = {
	combination = { "m", "foot", },
	utype    = "length",
    },
    ["m ft"] = {
	combination = { "m", "ft", },
	utype    = "length",
    },
    ["mi km"] = {
	combination = { "mi", "km", },
	utype    = "length",
    },
    ["mm in"] = {
	combination = { "mm", "in", },
	utype    = "length",
    },
    ["yd m"] = {
	combination = { "yd", "m", },
	utype    = "length",
    },
    ["cm2 sqin"] = {
	combination = { "cm2", "sqin", },
	utype    = "area",
    },
    ["km2 sqmi"] = {
	combination = { "km2", "sqmi", },
	utype    = "area",
    },
    ["m2 sqft"] = {
	combination = { "m2", "sqft", },
	utype    = "area",
    },
    ["mm2 sqin"] = {
	combination = { "mm2", "sqin", },
	utype    = "area",
    },
    ["sqft m2"] = {
	combination = { "sqft", "m2", },
	utype    = "area",
    },
    ["sqin cm2"] = {
	combination = { "sqin", "cm2", },
	utype    = "area",
    },
    ["sqin mm2"] = {
	combination = { "sqin", "mm2", },
	utype    = "area",
    },
    ["sqmi km2"] = {
	combination = { "sqmi", "km2", },
	utype    = "area",
    },
    ["U.S.drygal L"] = {
	combination = { "U.S.drygal", "L", },
	utype    = "volume",
    },
    ["U.S.drygal L impgal"] = {
	combination = { "U.S.drygal", "L", "impgal", },
	utype    = "volume",
    },
    ["U.S.drygal impgal"] = {
	combination = { "U.S.drygal", "impgal", },
	utype    = "volume",
    },
    ["U.S.drygal impgal L"] = {
	combination = { "U.S.drygal", "impgal", "L", },
	utype    = "volume",
    },
    ["U.S.drygal impgal l"] = {
	combination = { "U.S.drygal", "impgal", "l", },
	utype    = "volume",
    },
    ["U.S.drygal l"] = {
	combination = { "U.S.drygal", "l", },
	utype    = "volume",
    },
    ["U.S.drygal l impgal"] = {
	combination = { "U.S.drygal", "l", "impgal", },
	utype    = "volume",
    },
    ["U.S.gal L"] = {
	combination = { "U.S.gal", "L", },
	utype    = "volume",
    },
    ["U.S.gal L impgal"] = {
	combination = { "U.S.gal", "L", "impgal", },
	utype    = "volume",
    },
    ["U.S.gal impgal"] = {
	combination = { "U.S.gal", "impgal", },
	utype    = "volume",
    },
    ["U.S.gal impgal L"] = {
	combination = { "U.S.gal", "impgal", "L", },
	utype    = "volume",
    },
    ["U.S.gal impgal l"] = {
	combination = { "U.S.gal", "impgal", "l", },
	utype    = "volume",
    },
    ["U.S.gal l"] = {
	combination = { "U.S.gal", "l", },
	utype    = "volume",
    },
    ["U.S.gal l impgal"] = {
	combination = { "U.S.gal", "l", "impgal", },
	utype    = "volume",
    },
    ["U.S.oz impoz"] = {
	combination = { "U.S.oz", "impoz", },
	utype    = "volume",
    },
    ["U.S.oz mL"] = {
	combination = { "U.S.oz", "mL", },
	utype    = "volume",
    },
    ["U.S.oz ml"] = {
	combination = { "U.S.oz", "ml", },
	utype    = "volume",
    },
    ["USdrygal L"] = {
	combination = { "USdrygal", "L", },
	utype    = "volume",
    },
    ["USdrygal L impgal"] = {
	combination = { "USdrygal", "L", "impgal", },
	utype    = "volume",
    },
    ["USdrygal impgal"] = {
	combination = { "USdrygal", "impgal", },
	utype    = "volume",
    },
    ["USdrygal impgal L"] = {
	combination = { "USdrygal", "impgal", "L", },
	utype    = "volume",
    },
    ["USdrygal impgal l"] = {
	combination = { "USdrygal", "impgal", "l", },
	utype    = "volume",
    },
    ["USdrygal l"] = {
	combination = { "USdrygal", "l", },
	utype    = "volume",
    },
    ["USdrygal l impgal"] = {
	combination = { "USdrygal", "l", "impgal", },
	utype    = "volume",
    },
    ["USgal L"] = {
	combination = { "USgal", "L", },
	utype    = "volume",
    },
    ["USgal L impgal"] = {
	combination = { "USgal", "L", "impgal", },
	utype    = "volume",
    },
    ["USgal impgal"] = {
	combination = { "USgal", "impgal", },
	utype    = "volume",
    },
    ["USgal impgal L"] = {
	combination = { "USgal", "impgal", "L", },
	utype    = "volume",
    },
    ["USgal impgal l"] = {
	combination = { "USgal", "impgal", "l", },
	utype    = "volume",
    },
    ["USgal l"] = {
	combination = { "USgal", "l", },
	utype    = "volume",
    },
    ["USgal l impgal"] = {
	combination = { "USgal", "l", "impgal", },
	utype    = "volume",
    },
    ["USoz impoz"] = {
	combination = { "USoz", "impoz", },
	utype    = "volume",
    },
    ["USoz mL"] = {
	combination = { "USoz", "mL", },
	utype    = "volume",
    },
    ["USoz ml"] = {
	combination = { "USoz", "ml", },
	utype    = "volume",
    },
    ["impgal L"] = {
	combination = { "impgal", "L", },
	utype    = "volume",
    },
    ["impgal L U.S.drygal"] = {
	combination = { "impgal", "L", "U.S.drygal", },
	utype    = "volume",
    },
    ["impgal L U.S.gal"] = {
	combination = { "impgal", "L", "U.S.gal", },
	utype    = "volume",
    },
    ["impgal L USdrygal"] = {
	combination = { "impgal", "L", "USdrygal", },
	utype    = "volume",
    },
    ["impgal L USgal"] = {
	combination = { "impgal", "L", "USgal", },
	utype    = "volume",
    },
    ["impgal U.S.drygal"] = {
	combination = { "impgal", "U.S.drygal", },
	utype    = "volume",
    },
    ["impgal U.S.drygal L"] = {
	combination = { "impgal", "U.S.drygal", "L", },
	utype    = "volume",
    },
    ["impgal U.S.drygal l"] = {
	combination = { "impgal", "U.S.drygal", "l", },
	utype    = "volume",
    },
    ["impgal U.S.gal"] = {
	combination = { "impgal", "U.S.gal", },
	utype    = "volume",
    },
    ["impgal U.S.gal L"] = {
	combination = { "impgal", "U.S.gal", "L", },
	utype    = "volume",
    },
    ["impgal U.S.gal l"] = {
	combination = { "impgal", "U.S.gal", "l", },
	utype    = "volume",
    },
    ["impgal USdrygal"] = {
	combination = { "impgal", "USdrygal", },
	utype    = "volume",
    },
    ["impgal USdrygal L"] = {
	combination = { "impgal", "USdrygal", "L", },
	utype    = "volume",
    },
    ["impgal USdrygal l"] = {
	combination = { "impgal", "USdrygal", "l", },
	utype    = "volume",
    },
    ["impgal USgal"] = {
	combination = { "impgal", "USgal", },
	utype    = "volume",
    },
    ["impgal USgal L"] = {
	combination = { "impgal", "USgal", "L", },
	utype    = "volume",
    },
    ["impgal USgal l"] = {
	combination = { "impgal", "USgal", "l", },
	utype    = "volume",
    },
    ["impgal l"] = {
	combination = { "impgal", "l", },
	utype    = "volume",
    },
    ["impgal l U.S.drygal"] = {
	combination = { "impgal", "l", "U.S.drygal", },
	utype    = "volume",
    },
    ["impgal l U.S.gal"] = {
	combination = { "impgal", "l", "U.S.gal", },
	utype    = "volume",
    },
    ["impgal l USdrygal"] = {
	combination = { "impgal", "l", "USdrygal", },
	utype    = "volume",
    },
    ["impgal l USgal"] = {
	combination = { "impgal", "l", "USgal", },
	utype    = "volume",
    },
    ["impoz U.S.oz"] = {
	combination = { "impoz", "U.S.oz", },
	utype    = "volume",
    },
    ["impoz USoz"] = {
	combination = { "impoz", "USoz", },
	utype    = "volume",
    },
    ["impoz mL"] = {
	combination = { "impoz", "mL", },
	utype    = "volume",
    },
    ["impoz ml"] = {
	combination = { "impoz", "ml", },
	utype    = "volume",
    },
    ["foot/s m/s"] = {
	combination = { "foot/s", "m/s", },
	utype    = "speed",
    },
    ["ft/s m/s"] = {
	combination = { "ft/s", "m/s", },
	utype    = "speed",
    },
    ["km/h mph"] = {
	combination = { "km/h", "mph", },
	utype    = "speed",
    },
    ["m/s foot/s"] = {
	combination = { "m/s", "foot/s", },
	utype    = "speed",
    },
    ["m/s ft/s"] = {
	combination = { "m/s", "ft/s", },
	utype    = "speed",
    },
    ["mph km/h"] = {
	combination = { "mph", "km/h", },
	utype    = "speed",
    },
    ["GN LT-f"] = {
	combination = { "GN", "LT-f", },
	utype    = "force",
    },
    ["GN LT-f ST-f"] = {
	combination = { "GN", "LT-f", "ST-f", },
	utype    = "force",
    },
    ["GN LTf"] = {
	combination = { "GN", "LTf", },
	utype    = "force",
    },
    ["GN LTf STf"] = {
	combination = { "GN", "LTf", "STf", },
	utype    = "force",
    },
    ["GN ST-f"] = {
	combination = { "GN", "ST-f", },
	utype    = "force",
    },
    ["GN ST-f LT-f"] = {
	combination = { "GN", "ST-f", "LT-f", },
	utype    = "force",
    },
    ["GN STf"] = {
	combination = { "GN", "STf", },
	utype    = "force",
    },
    ["GN STf LTf"] = {
	combination = { "GN", "STf", "LTf", },
	utype    = "force",
    },
    ["LT-f ST-f"] = {
	combination = { "LT-f", "ST-f", },
	utype    = "force",
    },
    ["LTf STf"] = {
	combination = { "LTf", "STf", },
	utype    = "force",
    },
    ["MN LT-f"] = {
	combination = { "MN", "LT-f", },
	utype    = "force",
    },
    ["MN LT-f ST-f"] = {
	combination = { "MN", "LT-f", "ST-f", },
	utype    = "force",
    },
    ["MN LTf"] = {
	combination = { "MN", "LTf", },
	utype    = "force",
    },
    ["MN LTf STf"] = {
	combination = { "MN", "LTf", "STf", },
	utype    = "force",
    },
    ["MN ST-f"] = {
	combination = { "MN", "ST-f", },
	utype    = "force",
    },
    ["MN ST-f LT-f"] = {
	combination = { "MN", "ST-f", "LT-f", },
	utype    = "force",
    },
    ["MN STf"] = {
	combination = { "MN", "STf", },
	utype    = "force",
    },
    ["MN STf LTf"] = {
	combination = { "MN", "STf", "LTf", },
	utype    = "force",
    },
    ["N lb-f"] = {
	combination = { "N", "lb-f", },
	utype    = "force",
    },
    ["N lbf"] = {
	combination = { "N", "lbf", },
	utype    = "force",
    },
    ["N oz-f"] = {
	combination = { "N", "oz-f", },
	utype    = "force",
    },
    ["N ozf"] = {
	combination = { "N", "ozf", },
	utype    = "force",
    },
    ["ST-f LT-f"] = {
	combination = { "ST-f", "LT-f", },
	utype    = "force",
    },
    ["STf LTf"] = {
	combination = { "STf", "LTf", },
	utype    = "force",
    },
    ["kN LT-f"] = {
	combination = { "kN", "LT-f", },
	utype    = "force",
    },
    ["kN LT-f ST-f"] = {
	combination = { "kN", "LT-f", "ST-f", },
	utype    = "force",
    },
    ["kN LTf"] = {
	combination = { "kN", "LTf", },
	utype    = "force",
    },
    ["kN LTf STf"] = {
	combination = { "kN", "LTf", "STf", },
	utype    = "force",
    },
    ["kN ST-f"] = {
	combination = { "kN", "ST-f", },
	utype    = "force",
    },
    ["kN ST-f LT-f"] = {
	combination = { "kN", "ST-f", "LT-f", },
	utype    = "force",
    },
    ["kN STf"] = {
	combination = { "kN", "STf", },
	utype    = "force",
    },
    ["kN STf LTf"] = {
	combination = { "kN", "STf", "LTf", },
	utype    = "force",
    },
    ["kN lb-f"] = {
	combination = { "kN", "lb-f", },
	utype    = "force",
    },
    ["kN lbf"] = {
	combination = { "kN", "lbf", },
	utype    = "force",
    },
    ["mN gr-f"] = {
	combination = { "mN", "gr-f", },
	utype    = "force",
    },
    ["mN grf"] = {
	combination = { "mN", "grf", },
	utype    = "force",
    },
    ["mN oz-f"] = {
	combination = { "mN", "oz-f", },
	utype    = "force",
    },
    ["mN ozf"] = {
	combination = { "mN", "ozf", },
	utype    = "force",
    },
    ["nN gr-f"] = {
	combination = { "nN", "gr-f", },
	utype    = "force",
    },
    ["nN grf"] = {
	combination = { "nN", "grf", },
	utype    = "force",
    },
    ["µN gr-f"] = {
	combination = { "µN", "gr-f", },
	utype    = "force",
    },
    ["uN gr-f"] = {
	combination = { "uN", "gr-f", },
	utype    = "force",
    },
    ["µN grf"] = {
	combination = { "µN", "grf", },
	utype    = "force",
    },
    ["uN grf"] = {
	combination = { "uN", "grf", },
	utype    = "force",
    },
    ["C F"] = {
	combination = { "C", "F", },
	utype    = "temperature",
    },
    ["C F K"] = {
	combination = { "C", "F", "K", },
	utype    = "temperature",
    },
    ["C F R"] = {
	combination = { "C", "F", "R", },
	utype    = "temperature",
    },
    ["C K"] = {
	combination = { "C", "K", },
	utype    = "temperature",
    },
    ["C K F"] = {
	combination = { "C", "K", "F", },
	utype    = "temperature",
    },
    ["C K R"] = {
	combination = { "C", "K", "R", },
	utype    = "temperature",
    },
    ["C R"] = {
	combination = { "C", "R", },
	utype    = "temperature",
    },
    ["C R F"] = {
	combination = { "C", "R", "F", },
	utype    = "temperature",
    },
    ["C R K"] = {
	combination = { "C", "R", "K", },
	utype    = "temperature",
    },
    ["F C"] = {
	combination = { "F", "C", },
	utype    = "temperature",
    },
    ["F C K"] = {
	combination = { "F", "C", "K", },
	utype    = "temperature",
    },
    ["F C R"] = {
	combination = { "F", "C", "R", },
	utype    = "temperature",
    },
    ["F K"] = {
	combination = { "F", "K", },
	utype    = "temperature",
    },
    ["F K C"] = {
	combination = { "F", "K", "C", },
	utype    = "temperature",
    },
    ["F K R"] = {
	combination = { "F", "K", "R", },
	utype    = "temperature",
    },
    ["F R"] = {
	combination = { "F", "R", },
	utype    = "temperature",
    },
    ["F R C"] = {
	combination = { "F", "R", "C", },
	utype    = "temperature",
    },
    ["F R K"] = {
	combination = { "F", "R", "K", },
	utype    = "temperature",
    },
    ["K C"] = {
	combination = { "K", "C", },
	utype    = "temperature",
    },
    ["K C F"] = {
	combination = { "K", "C", "F", },
	utype    = "temperature",
    },
    ["K C R"] = {
	combination = { "K", "C", "R", },
	utype    = "temperature",
    },
    ["K F"] = {
	combination = { "K", "F", },
	utype    = "temperature",
    },
    ["K F C"] = {
	combination = { "K", "F", "C", },
	utype    = "temperature",
    },
    ["K F R"] = {
	combination = { "K", "F", "R", },
	utype    = "temperature",
    },
    ["K R"] = {
	combination = { "K", "R", },
	utype    = "temperature",
    },
    ["K R C"] = {
	combination = { "K", "R", "C", },
	utype    = "temperature",
    },
    ["K R F"] = {
	combination = { "K", "R", "F", },
	utype    = "temperature",
    },
    ["K °C"] = {
	combination = { "K", "°C", },
	utype    = "temperature",
    },
    ["K °C °F"] = {
	combination = { "K", "°C", "°F", },
	utype    = "temperature",
    },
    ["K °C °R"] = {
	combination = { "K", "°C", "°R", },
	utype    = "temperature",
    },
    ["K °F"] = {
	combination = { "K", "°F", },
	utype    = "temperature",
    },
    ["K °F °C"] = {
	combination = { "K", "°F", "°C", },
	utype    = "temperature",
    },
    ["K °F °R"] = {
	combination = { "K", "°F", "°R", },
	utype    = "temperature",
    },
    ["K °R"] = {
	combination = { "K", "°R", },
	utype    = "temperature",
    },
    ["K °R °C"] = {
	combination = { "K", "°R", "°C", },
	utype    = "temperature",
    },
    ["K °R °F"] = {
	combination = { "K", "°R", "°F", },
	utype    = "temperature",
    },
    ["R C"] = {
	combination = { "R", "C", },
	utype    = "temperature",
    },
    ["R C F"] = {
	combination = { "R", "C", "F", },
	utype    = "temperature",
    },
    ["R C K"] = {
	combination = { "R", "C", "K", },
	utype    = "temperature",
    },
    ["R F"] = {
	combination = { "R", "F", },
	utype    = "temperature",
    },
    ["R F C"] = {
	combination = { "R", "F", "C", },
	utype    = "temperature",
    },
    ["R F K"] = {
	combination = { "R", "F", "K", },
	utype    = "temperature",
    },
    ["R K"] = {
	combination = { "R", "K", },
	utype    = "temperature",
    },
    ["R K C"] = {
	combination = { "R", "K", "C", },
	utype    = "temperature",
    },
    ["R K F"] = {
	combination = { "R", "K", "F", },
	utype    = "temperature",
    },
    ["°C K"] = {
	combination = { "°C", "K", },
	utype    = "temperature",
    },
    ["°C K °F"] = {
	combination = { "°C", "K", "°F", },
	utype    = "temperature",
    },
    ["°C K °R"] = {
	combination = { "°C", "K", "°R", },
	utype    = "temperature",
    },
    ["°C °F"] = {
	combination = { "°C", "°F", },
	utype    = "temperature",
    },
    ["°C °F K"] = {
	combination = { "°C", "°F", "K", },
	utype    = "temperature",
    },
    ["°C °F °R"] = {
	combination = { "°C", "°F", "°R", },
	utype    = "temperature",
    },
    ["°C °R"] = {
	combination = { "°C", "°R", },
	utype    = "temperature",
    },
    ["°C °R K"] = {
	combination = { "°C", "°R", "K", },
	utype    = "temperature",
    },
    ["°C °R °F"] = {
	combination = { "°C", "°R", "°F", },
	utype    = "temperature",
    },
    ["°F K"] = {
	combination = { "°F", "K", },
	utype    = "temperature",
    },
    ["°F K °C"] = {
	combination = { "°F", "K", "°C", },
	utype    = "temperature",
    },
    ["°F K °R"] = {
	combination = { "°F", "K", "°R", },
	utype    = "temperature",
    },
    ["°F °C"] = {
	combination = { "°F", "°C", },
	utype    = "temperature",
    },
    ["°F °C K"] = {
	combination = { "°F", "°C", "K", },
	utype    = "temperature",
    },
    ["°F °C °R"] = {
	combination = { "°F", "°C", "°R", },
	utype    = "temperature",
    },
    ["°F °R"] = {
	combination = { "°F", "°R", },
	utype    = "temperature",
    },
    ["°F °R K"] = {
	combination = { "°F", "°R", "K", },
	utype    = "temperature",
    },
    ["°F °R °C"] = {
	combination = { "°F", "°R", "°C", },
	utype    = "temperature",
    },
    ["°R K"] = {
	combination = { "°R", "K", },
	utype    = "temperature",
    },
    ["°R K °C"] = {
	combination = { "°R", "K", "°C", },
	utype    = "temperature",
    },
    ["°R K °F"] = {
	combination = { "°R", "K", "°F", },
	utype    = "temperature",
    },
    ["°R °C"] = {
	combination = { "°R", "°C", },
	utype    = "temperature",
    },
    ["°R °C K"] = {
	combination = { "°R", "°C", "K", },
	utype    = "temperature",
    },
    ["°R °C °F"] = {
	combination = { "°R", "°C", "°F", },
	utype    = "temperature",
    },
    ["°R °F"] = {
	combination = { "°R", "°F", },
	utype    = "temperature",
    },
    ["°R °F K"] = {
	combination = { "°R", "°F", "K", },
	utype    = "temperature",
    },
    ["°R °F °C"] = {
	combination = { "°R", "°F", "°C", },
	utype    = "temperature",
    },
    ["LT MT"] = {
	combination = { "LT", "MT", },
	utype    = "mass",
    },
    ["LT MT ST"] = {
	combination = { "LT", "MT", "ST", },
	utype    = "mass",
    },
    ["LT ST"] = {
	combination = { "LT", "ST", },
	utype    = "mass",
    },
    ["LT ST MT"] = {
	combination = { "LT", "ST", "MT", },
	utype    = "mass",
    },
    ["LT ST t"] = {
	combination = { "LT", "ST", "t", },
	utype    = "mass",
    },
    ["LT t"] = {
	combination = { "LT", "t", },
	utype    = "mass",
    },
    ["LT t ST"] = {
	combination = { "LT", "t", "ST", },
	utype    = "mass",
    },
    ["MT LT"] = {
	combination = { "MT", "LT", },
	utype    = "mass",
    },
    ["MT LT ST"] = {
	combination = { "MT", "LT", "ST", },
	utype    = "mass",
    },
    ["MT ST"] = {
	combination = { "MT", "ST", },
	utype    = "mass",
    },
    ["MT ST LT"] = {
	combination = { "MT", "ST", "LT", },
	utype    = "mass",
    },
    ["ST LT"] = {
	combination = { "ST", "LT", },
	utype    = "mass",
    },
    ["ST LT MT"] = {
	combination = { "ST", "LT", "MT", },
	utype    = "mass",
    },
    ["ST LT t"] = {
	combination = { "ST", "LT", "t", },
	utype    = "mass",
    },
    ["ST MT"] = {
	combination = { "ST", "MT", },
	utype    = "mass",
    },
    ["ST MT LT"] = {
	combination = { "ST", "MT", "LT", },
	utype    = "mass",
    },
    ["ST t"] = {
	combination = { "ST", "t", },
	utype    = "mass",
    },
    ["ST t LT"] = {
	combination = { "ST", "t", "LT", },
	utype    = "mass",
    },
    ["g oz"] = {
	combination = { "g", "oz", },
	utype    = "mass",
    },
    ["kg lb"] = {
	combination = { "kg", "lb", },
	utype    = "mass",
    },
    ["kg lb st"] = {
	combination = { "kg", "lb", "st", },
	utype    = "mass",
    },
    ["kg st"] = {
	combination = { "kg", "st", },
	utype    = "mass",
    },
    ["kg st lb"] = {
	combination = { "kg", "st", "lb", },
	utype    = "mass",
    },
    ["lb kg"] = {
	combination = { "lb", "kg", },
	utype    = "mass",
    },
    ["lb kg st"] = {
	combination = { "lb", "kg", "st", },
	utype    = "mass",
    },
    ["lb st"] = {
	combination = { "lb", "st", },
	utype    = "mass",
    },
    ["lb st kg"] = {
	combination = { "lb", "st", "kg", },
	utype    = "mass",
    },
    ["mg gr"] = {
	combination = { "mg", "gr", },
	utype    = "mass",
    },
    ["oz g"] = {
	combination = { "oz", "g", },
	utype    = "mass",
    },
    ["st kg"] = {
	combination = { "st", "kg", },
	utype    = "mass",
    },
    ["st kg lb"] = {
	combination = { "st", "kg", "lb", },
	utype    = "mass",
    },
    ["st lb"] = {
	combination = { "st", "lb", },
	utype    = "mass",
    },
    ["st lb kg"] = {
	combination = { "st", "lb", "kg", },
	utype    = "mass",
    },
    ["t LT"] = {
	combination = { "t", "LT", },
	utype    = "mass",
    },
    ["t LT ST"] = {
	combination = { "t", "LT", "ST", },
	utype    = "mass",
    },
    ["t ST"] = {
	combination = { "t", "ST", },
	utype    = "mass",
    },
    ["t ST LT"] = {
	combination = { "t", "ST", "LT", },
	utype    = "mass",
    },
    ["Nm lbfft"] = {
	combination = { "Nm", "lbfft", },
	utype    = "torque",
    },
    ["Nm lbft"] = {
	combination = { "Nm", "lbft", },
	utype    = "torque",
    },
    ["km/l mpgimp"] = {
	combination = { "km/l", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["km/l mpgus"] = {
	combination = { "km/l", "mpgus", },
	utype    = "fuel efficiency",
    },
    ["l/100 km mpgimp"] = {
	combination = { "l/100 km", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["l/100 km mpgus"] = {
	combination = { "l/100 km", "mpgus", },
	utype    = "fuel efficiency",
    },
    ["l/km impgal/mi"] = {
	combination = { "l/km", "impgal/mi", },
	utype    = "fuel efficiency",
    },
    ["l/km usgal/mi"] = {
	combination = { "l/km", "usgal/mi", },
	utype    = "fuel efficiency",
    },
    ["mpgimp mpgus"] = {
	combination = { "mpgimp", "mpgus", },
	utype    = "fuel efficiency",
    },
    ["mpgus mpgimp"] = {
	combination = { "mpgus", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["km/L mpgimp"] = {
	combination = { "km/L", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["km/L mpgus"] = {
	combination = { "km/L", "mpgus", },
	utype    = "fuel efficiency",
    },
    ["L/100 km mpgimp"] = {
	combination = { "L/100 km", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["L/100 km mpgus"] = {
	combination = { "L/100 km", "mpgus", },
	utype    = "fuel efficiency",
    },
    ["L/km impgal/mi"] = {
	combination = { "L/km", "impgal/mi", },
	utype    = "fuel efficiency",
    },
    ["L/km usgal/mi"] = {
	combination = { "L/km", "usgal/mi", },
	utype    = "fuel efficiency",
    },
    ["km/l mpgUS"] = {
	combination = { "km/l", "mpgUS", },
	utype    = "fuel efficiency",
    },
    ["l/100 km mpgUS"] = {
	combination = { "l/100 km", "mpgUS", },
	utype    = "fuel efficiency",
    },
    ["l/km USgal/mi"] = {
	combination = { "l/km", "USgal/mi", },
	utype    = "fuel efficiency",
    },
    ["mpgimp mpgUS"] = {
	combination = { "mpgimp", "mpgUS", },
	utype    = "fuel efficiency",
    },
    ["mpgUS mpgimp"] = {
	combination = { "mpgUS", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["km/L mpgUS"] = {
	combination = { "km/L", "mpgUS", },
	utype    = "fuel efficiency",
    },
    ["L/100 km mpgUS"] = {
	combination = { "L/100 km", "mpgUS", },
	utype    = "fuel efficiency",
    },
    ["L/km USgal/mi"] = {
	combination = { "L/km", "USgal/mi", },
	utype    = "fuel efficiency",
    },
    ["km/l mpgU.S."] = {
	combination = { "km/l", "mpgU.S.", },
	utype    = "fuel efficiency",
    },
    ["l/100 km mpgU.S."] = {
	combination = { "l/100 km", "mpgU.S.", },
	utype    = "fuel efficiency",
    },
    ["l/km U.S.gal/mi"] = {
	combination = { "l/km", "U.S.gal/mi", },
	utype    = "fuel efficiency",
    },
    ["mpgimp mpgU.S."] = {
	combination = { "mpgimp", "mpgU.S.", },
	utype    = "fuel efficiency",
    },
    ["mpgU.S. mpgimp"] = {
	combination = { "mpgU.S.", "mpgimp", },
	utype    = "fuel efficiency",
    },
    ["km/L mpgU.S."] = {
	combination = { "km/L", "mpgU.S.", },
	utype    = "fuel efficiency",
    },
    ["L/100 km mpgU.S."] = {
	combination = { "L/100 km", "mpgU.S.", },
	utype    = "fuel efficiency",
    },
    ["L/km U.S.gal/mi"] = {
	combination = { "L/km", "U.S.gal/mi", },
	utype    = "fuel efficiency",
    },
    ["/acre /ha"] = {
	combination = { "/acre", "/ha", },
	utype    = "population density",
    },
    ["/ha /acre"] = {
	combination = { "/ha", "/acre", },
	utype    = "population density",
    },
    ["/sqkm /sqmi"] = {
	combination = { "/sqkm", "/sqmi", },
	utype    = "population density",
    },
    ["/sqmi /sqkm"] = {
	combination = { "/sqmi", "/sqkm", },
	utype    = "population density",
    },
    ["PD/acre PD/ha"] = {
	combination = { "PD/acre", "PD/ha", },
	utype    = "population density",
    },
    ["PD/ha PD/acre"] = {
	combination = { "PD/ha", "PD/acre", },
	utype    = "population density",
    },
    ["PD/sqkm PD/sqmi"] = {
	combination = { "PD/sqkm", "PD/sqmi", },
	utype    = "population density",
    },
    ["PD/sqmi PD/sqkm"] = {
	combination = { "PD/sqmi", "PD/sqkm", },
	utype    = "population density",
    },
}

---------------------------------------------------------------------------
-- Do not change the data in this table because it is created by running --
-- a script that reads the wikitext from a wiki page (see note above).   --
---------------------------------------------------------------------------
local defaultunits = {
    lookup = function (self, value, unit_table)
        -- Return true, s where s = name of unit's default output unit,
        -- or, return false, message.
        -- Some units have a different default depending on the value of the
        -- input value (the first value if a range of values is used).
        -- These exceptions are special-cased here (and the code requires the
        -- unit to be in the following table, even if it repeats the default
        -- in the main units table).
        -- When it is known how many exceptions are wanted, it might be worth
        -- handling the exceptions another way.
        local baseunit = unit_table.baseunit
        local prefix = unit_table.prefix
        local unit = prefix .. baseunit
        local default = self[unit]
        if default ~= nil then
            if unit == 'm' and 0 < value and value < 3 then
                default = 'ftin'
            end
            return true, default
        end
        local t = units[baseunit]
        if t ~= nil then
            default = t.default
            if default ~= nil then return true, default end
        end
        local msg = 'Unit %s has no default target conversion.[[Category:Convert unknown unit]]'
        return false, msg:format(unit)
    end,
    -- Prefixed units with a default different from that of the base unit.
    ["Mg"] = "LT ST",
    ["Gg"] = "lb",
    ["pm"] = "in",
    ["nm"] = "in",
    ["µm"] = "in",
    ["um"] = "in",
    ["micrometre"] = "in",
    ["mm"] = "in",
    ["cm"] = "in",
    ["dm"] = "in",
    ["m"] = "ft",
    ["hm"] = "yd",
    ["Hm"] = "yd",
    ["km"] = "mi",
    ["Mm"] = "mi",
    ["ml"] = "impoz USoz",
    ["cl"] = "impoz USoz",
    ["dl"] = "impoz USoz",
    ["µl"] = "cuin",
    ["mL"] = "impoz USoz",
    ["cL"] = "impoz USoz",
    ["dL"] = "impoz USoz",
    ["µL"] = "cuin",
}

return {
    units = units,
    defaultunits = defaultunits,
}