Convert energy between Joules, calories, kilowatt-hours, BTU, and more. Free online energy conversion calculator.
Joule
3,600,000 J
Kilojoule
3,600 kJ
Calorie
860,420.6501 cal
Kilocalorie
860.4207 kcal
Watt-hour
1,000 Wh
Kilowatt-hour
1 kWh
British Thermal Unit
3,412.1282 BTU
Electronvolt
22,469,385,462,307,606,000,000,000 eV
Food Calorie
1 kcal = 4.184 kJ
AA Battery
~9,360 J / 2.6 Wh
Daily Food Intake
~2,000 kcal / 8,368 kJ
Household Monthly
~900 kWh average
Convert energy between Joules, calories, kilowatt-hours, BTU, and more. Free online energy conversion calculator.
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