Units of Measure
Note: For the following terms, the same form is used for singular and plural. Also, for various measures of thousand or million units of a commodity, EIA has adopted the policy to use "M" for thousand and "MM" for million.
A - ampere
at wt - atomic weight
bbl - barrel(s)
Bcf - billion cubic feet
bbl/d - barrels per day
bbl/sd - barrel(s) per stream day
BOE - barrels of oil equivalent (used internationally)
bp - boiling point
Btu - British thermal unit(s)
ºC - degree Celsius
c, ct, ¢ - cent, cents
CDD - cooling degree-day
COE - crude oil equivalent (used internationally)
cwt - hundredweight
ºF - degree Fahrenheit
cf or ft³ - cubic foot
fp - freezing point
ft - foot
gal - gallon(s)
gal/s - gallons per second
GWe - gigawatt electric
GWh - gigawatthour(s)
h - hour
HDD - heating degree-day
hp - horsepower
Hz - hertz
in² - square inch
J - joule(s)
kg - kilogram(s)
km - kilometer(s)
kV - kilovolt
kVA - kilovoltampere
kW - kilowatt
kWh - kilowatthour(s)
lt - long ton
m - meter(s)
Mbbl - thousand barrels
Mbbl/d - thousand barrels per day
Mcf - thousand cubic feet
MHz - megahertz
min - minute (time)
MMbbl/d - million barrels per day
MMBtu - million British thermal units
MMcf - million cubic feet
MMgal/d - million gallons per day
MMst - million short tons
mp - melting point
mpg - mile(s) per gallon
Mst - thousand short tons
mtu - metric ton uranium
mW - milliwatt
MW - megawatt
MWh - Megawatthour(s)
net wt - net weight
oz - ounce
psi - pounds per square inch
quad - quadrillion
Rvp - Reid vapor pressure
s - second (time)
sp.gr. - specific gravity
sq.ft. or ft² - square foot
st - short ton
STP - standard temperature and pressure
t - metric ton(s), also tonne(s)
TCE - tons of coal equivalent (used internationally)
Tcf - trillion cubic feet
TOE - tons of oil equivalent (used internationally)
ton - ton
V - volt
VA - voltampere
vol - volume
W - watt
Wh - watthour
yd. - yard
yr. - year
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 to return to the beginning of the abbreviations chapter.
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