watt-hours to joules
Convert watt-hour to joule — instant, free, with the formula shown.
1 Wh=3600 J
How to convert watt-hour to joule
To convert watt-hour to joule, multiply by 3600:
J = Wh × 3600
For example, 10 Wh × 3600 = 36000 J.
Wh to J conversion table
| watt-hours (Wh) | joules (J) |
|---|---|
| 1 Wh | 3600 J |
| 2 Wh | 7200 J |
| 5 Wh | 18000 J |
| 10 Wh | 36000 J |
| 25 Wh | 90000 J |
| 50 Wh | 180000 J |
| 100 Wh | 360000 J |
| 250 Wh | 900000 J |
| 500 Wh | 1800000 J |
| 1000 Wh | 3600000 J |
Other watt-hour conversions
Convert to joule from another unit
Wh to J — frequently asked
How many joules are in 1 watt-hour?
1 watt-hour = 3600 joules (Wh × 3600 = J).
What is the formula to convert watt-hour to joule?
Multiply your watt-hour value by 3600 to get joule.
How do I convert 10 watt-hours to joules?
10 Wh = 36000 J. For 100 Wh the answer is 360000 J. Use the calculator on this page for any other value.