Joule to Kilowatt Hour (J to kWh)
Convert J to kWh — Energy converter
One joule equals 2.777778e-7 kWh, so to convert joules to kilowatt-hours you multiply the value by 2.777778e-7. A joule is smaller than a kilowatt hour — going the other way, 1 kWh = 3600000 J. For example, 10 J = 0.0000027778 kWh and 50 J = 0.0000138889 kWh.
2.777778e-7Click to copy
1 J = 2.777778e-7 kWh
Joule to Kilowatt Hour formula
1 Joule = 2.777778e-7 kWh
Worked examples
- 25 J = 0.0000069444 kWh
- 100 J = 0.0000277778 kWh
Joule to Kilowatt Hour conversion table
| Joule (J) | Kilowatt Hour (kWh) |
|---|---|
| 1 | 2.777778e-7 |
| 2 | 5.555556e-7 |
| 3 | 8.333333e-7 |
| 5 | 0.0000013889 |
| 8 | 0.0000022222 |
| 10 | 0.0000027778 |
| 12 | 0.0000033333 |
| 15 | 0.0000041667 |
| 20 | 0.0000055556 |
| 25 | 0.0000069444 |
| 50 | 0.0000138889 |
| 100 | 0.0000277778 |
| 250 | 0.0000694444 |
| 500 | 0.0001388889 |
| 1000 | 0.0002777778 |
Frequently asked questions
How many kilowatt-hours are in one joule?
One joule equals 2.777778e-7 kilowatt-hours (kWh).
How many joules are in one kilowatt hour?
One kilowatt hour equals 3600000 joules (J).
How do you convert joules to kilowatt-hours?
1 Joule = 2.777778e-7 kWh. Use the calculator above for any value.
What is 5 J in kWh?
5 J = 0.0000013889 kWh.
What is 100 J in kWh?
100 J = 0.0000277778 kWh.
What is 10 J in kWh?
10 J = 0.0000027778 kWh.
What is 20 J in kWh?
20 J = 0.0000055556 kWh.
Is a joule bigger than a kilowatt hour?
No. A joule is smaller — one joule equals 2.777778e-7 kilowatt-hours, while one kilowatt hour equals 3600000 joules.