watt-hour to joule
1 watt-hour equals 3600 joule, and 1 joule equals 0.000277778 watt-hour.
Conversion formula
J = Wh × 3600
To convert watt-hour to joule, multiply the value by 3600.
Conversion table
| 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 |
| 500 Wh | 1800000 J |
| 1000 Wh | 3600000 J |
Reverse conversion table
| 1 J | 0.000277778 Wh |
|---|---|
| 2 J | 0.000555556 Wh |
| 5 J | 0.00138889 Wh |
| 10 J | 0.00277778 Wh |
| 25 J | 0.00694444 Wh |
| 50 J | 0.0138889 Wh |
| 100 J | 0.0277778 Wh |
| 500 J | 0.138889 Wh |
| 1000 J | 0.277778 Wh |
Key facts
| 1 watt-hour | 3600 joule |
|---|---|
| 1 joule | 0.000277778 watt-hour |
Frequently asked questions
How do I convert watt-hour to joule?
Multiply the watt-hour value by 3600 to get joule. For example, 10 watt-hour = 36000 joule.
How do I convert joule back to watt-hour?
Divide the joule value by 3600 (equivalently, multiply by 0.000277778) to get watt-hour.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page