Joules to Watt-hours Converter
Formula
To convert joules to watt-hours, multiply the value in joules by 0.000277778.
Watt-hours = Joules × 0.000277778
Worked example
10 J × 0.000277778 = 0.002778 Wh
Joules to Watt-hours conversion table
| Joules (J) | Watt-hours (Wh) |
|---|---|
| 1 | 0.000277778 |
| 2 | 0.000555556 |
| 3 | 0.000833333 |
| 4 | 0.001111 |
| 5 | 0.001389 |
| 6 | 0.001667 |
| 7 | 0.001944 |
| 8 | 0.002222 |
| 9 | 0.0025 |
| 10 | 0.002778 |
| 11 | 0.003056 |
| 12 | 0.003333 |
| 13 | 0.003611 |
| 14 | 0.003889 |
| 15 | 0.004167 |
| 16 | 0.004444 |
| 17 | 0.004722 |
| 18 | 0.005 |
| 19 | 0.005278 |
| 20 | 0.005556 |
| 25 | 0.006944 |
| 50 | 0.013889 |
| 100 | 0.027778 |