Calories (cal) Conversions

Calories (cal) is a unit of energy. Pick a converter below to convert Calories to any other energy unit — each one shows the formula, a worked example and a reference table.


Quick Reference

1 cal = 4.184 J Joules
1 cal = 0.004184 kJ Kilojoules
1 cal = 0.00116222 Wh Watt Hours
1 cal = 1.1622e-06 kWh Kilowatt Hours
1 cal = 1.1622e-09 MWh Megawatt Hours
1 cal = 1.1622e-12 GWh Gigawatt Hours
1 cal = 0.001 kcal Kilocalories
1 cal = 0.00396567 BTU British Thermal Units

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Other energy units