Joules to kilowatt-hours
1 J = 2.7777778E-7 kWh
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 2.7777778E-7 to get kilowatt-hours.
kWh = J × 2.7777778E-7
How to convert joules to kilowatt-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 kilowatt-hours – common values
| Joules (J) | Kilowatt-hours (kWh) |
|---|---|
| 1 | 2.77778E-7 |
| 2 | 5.55556E-7 |
| 5 | 0.00000138889 |
| 10 | 0.00000277778 |
| 20 | 0.00000555556 |
| 50 | 0.0000138889 |
| 100 | 0.0000277778 |
| 250 | 0.0000694444 |
| 500 | 0.000138889 |
| 1,000 | 0.000277778 |
About the units
Joules. The joule is the SI unit of energy: the work done by a force of one newton over one metre.
Kilowatt-hours. The kilowatt-hour is the unit on your electricity bill: one kilowatt for one hour, i.e. 3.6 megajoules.