Everyday Calculation

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Calculators » Conversion » Energy » J to wh/ Wh to j

Convert between Joule and Watt hour

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert energy measurements from joule to watt hour and watt hour to joule.

Enter the value you want to convert, and leave the target field blank.

Result window

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Conversion formula

1 watt hour (wh) = 3600 joule (j)

1 joule (j) = 0.0002778 watt hour (wh)

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