Convert kilojoules to kilowatt hours
1 kJ = 0.00027778 kWh. Change the amount below, or read the formula and the reference table further down.
1 kilojoule equals
kilowatt hours
1 kJ = 0.00027778 kWh
The formula
Kilojoules and kilowatt hours both measure energy from the same zero, so a single multiplier does the job.
kWh = kJ × 0.0002777778
Going the other way? Convert kilowatt hours to kilojoules.
Kilojoules to kilowatt hours table
Common values, rounded for reading.
| Kilojoules (kJ) | Kilowatt hours (kWh) |
|---|---|
| 1 | 0.000278 |
| 2 | 0.000556 |
| 3 | 0.000833 |
| 4 | 0.001111 |
| 5 | 0.001389 |
| 6 | 0.001667 |
| 7 | 0.001944 |
| 8 | 0.002222 |
| 9 | 0.0025 |
| 10 | 0.002778 |
| 15 | 0.004167 |
| 20 | 0.005556 |
| 25 | 0.006944 |
| 30 | 0.008333 |
| 40 | 0.011111 |
| 50 | 0.013889 |
| 75 | 0.020833 |
| 100 | 0.027778 |
| 250 | 0.069444 |
| 500 | 0.138889 |
| 1,000 | 0.277778 |
Questions people ask
- How many kilowatt hours are in a kilojoule?
- One kilojoule equals 0.0002777778 kilowatt hours.
- How do I convert kilojoules to kilowatt hours by hand?
- Multiply the number of kilojoules by 0.0002777778. For a rough check, 0 is close enough for most everyday use.
- What is 1 kilojoule in kilowatt hours?
- 1 kilojoule is 0.00027778 kilowatt hours.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.