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Joules to Watts Calculator

J
s
Result
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Formula

W = J / s

1 Watt = 1 Joule per second

FAQs

W = J / s. Divide joules by seconds. Example: 1000 J over 10 seconds = 100 watts.

1 watt = 1 joule per second. Watts measure rate of energy transfer, joules measure total energy.