How to convert joules to Wh
Divide the value in joules by 3,600 (the same as multiplying by 0.00027777778).
Example: 20 joules = 20 × 0.00027777778 = 0.0055555556 Wh.
Joules to Wh table
| joules | Wh |
|---|---|
| 0.01 | 0.0000027777778 |
| 0.1 | 0.000027777778 |
| 0.5 | 0.00013888889 |
| 1 | 0.00027777778 |
| 2 | 0.00055555556 |
| 3 | 0.00083333333 |
| 4 | 0.0011111111 |
| 5 | 0.0013888889 |
| 6 | 0.0016666667 |
| 7 | 0.0019444444 |
| 8 | 0.0022222222 |
| 9 | 0.0025 |
| 10 | 0.0027777778 |
| 15 | 0.0041666667 |
| 20 | 0.0055555556 |
| 25 | 0.0069444444 |
| 30 | 0.0083333333 |
| 50 | 0.013888889 |
| 75 | 0.020833333 |
| 100 | 0.027777778 |
| 250 | 0.069444444 |
| 500 | 0.13888889 |
| 1,000 | 0.27777778 |
What is a joule?
The joule (J) is a unit of energy, equal to 1 joule.
What is a watt-hour?
The watt-hour (Wh) is a unit of energy, equal to 3,600 joules.
Frequently asked questions
How many Wh are in 1 joule?
1 joule = 0.00027777778 Wh.
How do I convert joules to Wh?
Divide the value in joules by 3,600 (the same as multiplying by 0.00027777778).
What is 20 J in Wh?
20 joules = 0.0055555556 Wh.