Convert watt-hours to joules
Instantly convert watt-hours to joules using our free online calculator. See the formula and a full reference table below.
1 watt-hour = 3600 joules
Formula:
watt-hours × 3600 = joulesWatt-hour → Joule reference table
| watt-hours | joules |
|---|---|
| 1 watt-hour | 3600 joules |
| 2 watt-hours | 7200 joules |
| 5 watt-hours | 18000 joules |
| 10 watt-hours | 36000 joules |
| 25 watt-hours | 90000 joules |
| 50 watt-hours | 180000 joules |
| 100 watt-hours | 360000 joules |
| 250 watt-hours | 900000 joules |
| 500 watt-hours | 1800000 joules |
| 1000 watt-hours | 3600000 joules |
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Frequently asked questions
How many joules are in 1 watt-hour?
1 watt-hour equals 3600 joules.
What is the formula to convert watt-hours to joules?
Multiply the number of watt-hours by 3600 to get the equivalent in joules.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.