How to convert kilojoules to kilowatt-hours
kWh = kJ × 0.0002777778
One kilojoule equals 0.0002777778 kWh, so multiply the value in kilojoules by 0.0002777778. Example: 10 kJ = 0.0027777778 kWh.
The calorie here is the thermochemical calorie (exactly 4.184 J); a food "Calorie" is one kilocalorie. One kilowatt-hour is exactly 3.6 MJ. The BTU is the International Table BTU (1,055.05585262 J).
Kilojoules to kilowatt-hours conversion table
| Kilojoules (kJ) | Kilowatt-hours (kWh) |
|---|---|
| 1 kJ | 0.0002777778 kWh |
| 2 kJ | 0.0005555556 kWh |
| 3 kJ | 0.0008333333 kWh |
| 5 kJ | 0.0013888889 kWh |
| 10 kJ | 0.0027777778 kWh |
| 15 kJ | 0.0041666667 kWh |
| 20 kJ | 0.0055555556 kWh |
| 25 kJ | 0.0069444444 kWh |
| 50 kJ | 0.0138888889 kWh |
| 75 kJ | 0.0208333333 kWh |
| 100 kJ | 0.0277777778 kWh |
| 250 kJ | 0.0694444444 kWh |
| 500 kJ | 0.1388888889 kWh |
| 1,000 kJ | 0.2777777778 kWh |