Watt Hours (Wh) Conversions

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


Quick Reference

1 Wh = 3600 J Joules
1 Wh = 3.6 kJ Kilojoules
1 Wh = 0.001 kWh Kilowatt Hours
1 Wh = 1.0000e-06 MWh Megawatt Hours
1 Wh = 1.0000e-09 GWh Gigawatt Hours
1 Wh = 860.42065 cal Calories
1 Wh = 0.860421 kcal Kilocalories
1 Wh = 3.412142 BTU British Thermal Units

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Other energy units