Joules to watt-hours
1 J = 0.00027777778 Wh
All units in this category
- 1J
- 0.001kJ
- 0.000001MJ
- 0.23900574cal
- 0.00023900574kcal
- 0.00027777778Wh
- 2.7777778E-7kWh
- 2.7777778E-10MWh
- 0.00094781712BTU
- 0.73756215ft·lb
- 6.2415091E18eV
Formula
Multiply the value in joules by 0.00027777778 to get watt-hours.
Wh = J × 0.00027777778
How to convert joules to watt-hours
Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.
Joules to watt-hours – common values
| Joules (J) | Watt-hours (Wh) |
|---|---|
| 1 | 0.000277778 |
| 2 | 0.000555556 |
| 5 | 0.00138889 |
| 10 | 0.00277778 |
| 20 | 0.00555556 |
| 50 | 0.0138889 |
| 100 | 0.0277778 |
| 250 | 0.0694444 |
| 500 | 0.138889 |
| 1,000 | 0.277778 |
About the units
Joules. The joule is the SI unit of energy: the work done by a force of one newton over one metre.