Energy Converter
J, kJ, calories, Wh, kWh, BTU and more, converted instantly.
Value
From
Joule (J)
Kilojoule (kJ)
Calorie (cal)
Kilocalorie (kcal, “food calorie”)
Watt-hour (Wh)
Kilowatt-hour (kWh)
British thermal unit (BTU)
Foot-pound (ft·lbf)
Electronvolt (eV)
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Result
To
Joule (J)
Kilojoule (kJ)
Calorie (cal)
Kilocalorie (kcal, “food calorie”)
Watt-hour (Wh)
Kilowatt-hour (kWh)
British thermal unit (BTU)
Foot-pound (ft·lbf)
Electronvolt (eV)
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Reference (in joules):
1 Kilojoule (kJ) = 1,000 joules
1 Calorie (cal) = 4.184 joules
1 Kilocalorie (kcal, “food calorie”) = 4,184 joules
1 Watt-hour (Wh) = 3,600 joules
1 Kilowatt-hour (kWh) = 3,600,000 joules
1 British thermal unit (BTU) = 1,055.05585262 joules
1 Foot-pound (ft·lbf) = 1.3558179483 joules
1 Electronvolt (eV) = 0 joules
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