Joule to Watt Hour Converter
1 J = 0.0002777778 Wh
1 J = 0.0002777778 Wh
Joule to Watt Hour Table
| Joule (J) | Watt Hour (Wh) |
|---|---|
| 0.01 | 0.0000027778 |
| 0.1 | 0.0000277778 |
| 1 | 0.0002777778 |
| 2 | 0.0005555556 |
| 5 | 0.001389 |
| 10 | 0.002778 |
| 20 | 0.005556 |
| 50 | 0.013889 |
| 100 | 0.027778 |
| 500 | 0.138889 |
| 1000 | 0.277778 |
How to Convert Joule to Watt Hour
To convert Joule (J) to Watt Hour (Wh), use the formula: 1 J = 0.0002777778 Wh.
For example, to convert 5 J to Wh: 5 J = 0.001389 Wh. Similarly, 10 J = 0.002778 Wh, 25 J = 0.006944 Wh, and 100 J = 0.027778 Wh.
To convert in the other direction, 1 Wh = 3,600 J. Simply enter your value in either field above for instant bi-directional conversion.
What is a Joule?
A joule (J) is the SI unit of energy — the work done by a force of one newton over one meter. Joules are used in physics and engineering for energy calculations.
What is a Watt Hour?
A watt-hour (Wh) is the energy used by one watt over one hour. Watt-hours are used for battery capacity in small electronics.
Common Joule to Watt Hour Conversions
Here are some frequently looked-up conversions between Joule and Watt Hour:
- 1 J = 0.0002777778 Wh
- 5 J = 0.001389 Wh
- 10 J = 0.002778 Wh
- 25 J = 0.006944 Wh
- 100 J = 0.027778 Wh