Energy
Joules to Watt-hours Converter
1 J = 0.0002778 Wh
0.000278 Wh
1 J = 0.000278 Wh
Joules to Watt-hours conversion table
| Joules (J) | Watt-hours (Wh) |
|---|---|
| 1 | 0.0002778 |
| 2 | 0.0005556 |
| 5 | 0.001389 |
| 10 | 0.002778 |
| 25 | 0.006944 |
| 50 | 0.013889 |
| 100 | 0.027778 |
| 250 | 0.069444 |
| 500 | 0.138889 |
| 1,000 | 0.277778 |
How to convert joules to watt-hours
Multiply the number of joules by 0.0002778 to get the equivalent in watt-hours. The full converter above handles decimals, negative values and the reverse direction automatically.
Need the other way? Convert watt-hours to joules.