Kilojoules to Watt-hours Converter
1 Kilojoule = 0.277778 Watt-hours
kJ
Wh
1 kJ = 0.277778 Wh. To convert kilojoules to watt-hours, multiply by 0.277778; to convert back, multiply by 3.6.
Conversion formula
1 kJ = 0.277778 Wh
To convert from Kilojoules to Watt-hours, multiply the value in kilojoules by 0.277778.
| Kilojoules (kJ) | Watt-hours (Wh) |
|---|---|
| 0.001 | 0.000277778 |
| 0.01 | 0.00277778 |
| 0.1 | 0.0277778 |
| 1 | 0.277778 |
| 2 | 0.555556 |
| 5 | 1.38889 |
| 10 | 2.77778 |
| 25 | 6.94444 |
| 50 | 13.8889 |
| 100 | 27.7778 |
| 250 | 69.4444 |
| 500 | 138.889 |
| 1000 | 277.778 |
1 kilojoule in every energy unit
| Joules | 1,000 J |
| Megajoules | 0.001 MJ |
| Calories | 239.006 cal |
| Kilocalories | 0.239006 kcal |
| Watt-hours | 0.277778 Wh |
| Kilowatt-hours | 0.000277778 kWh |
| British Thermal Units | 0.947817 BTU |
Frequently Asked Questions
How many watt-hours are in 1 kilojoule?
1 kilojoule equals 0.277778 watt-hours. So 10 kilojoules are 2.77778 watt-hours and 100 kilojoules are 27.7778 watt-hours.
How do I convert kilojoules to watt-hours by hand?
Multiply the number of kilojoules by 0.277778. To go the other way, multiply watt-hours by 3.6 (or divide by 0.277778).
How many kilojoules are in 1 watt-hour?
1 watt-hour equals 3.6 kilojoules.