Energy Conversions

To convert energy unit from one to another, enter a value in the input field and choose your converter below.

Unit of Energy

UnitSymbolRelative to SI unit
Joule (SI unit)J1
Gram caloriecalIT4.1868
Watt hourW·h3,600
Kilowatt hourkW·h,B.O.T.U.3,600,000
ElectronvolteV1.602177 × 10-19
British thermal unitBTUIT1,055.055853
US thermUS therm105,480,400
Foot-pound forceft lbf1.355818
Inch-pound forcein lbf0.112985

Convert from Joule

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Convert from Gram calorie

Convert from Kilocalorie

Convert from Watt hour

Convert from Kilowatt hour

Convert from Electronvolt

Convert from British thermal unit

Convert from US therm

Convert from Foot-pound force

Convert from Inch-pound force