Kilojoule to Watt-hour
1 kJ = 0.277778 Wh
One kilojoule equals 0.277778 watt-hours, and one watt-hour equals 3.6 kilojoules.
Kilojoule to Watt-hour formula
Wh = kJ × 0.27777778
To convert kilojoules to watt-hours, multiply the value by 0.27777778. One kilojoule equals 0.277778 watt-hours.
Step-by-step examples
Convert 1 kilojoules to watt-hours
- 1Start with the value in kilojoules: 1 kJ.
- 2Multiply by the conversion factor 0.27777778.
- 31 × 0.27777778 = 0.277778 Wh.
Result: 1 kJ = 0.277778 Wh
Convert 10 kilojoules to watt-hours
- 1Start with the value in kilojoules: 10 kJ.
- 2Multiply by the conversion factor 0.27777778.
- 310 × 0.27777778 = 2.777778 Wh.
Result: 10 kJ = 2.777778 Wh
Convert 100 kilojoules to watt-hours
- 1Start with the value in kilojoules: 100 kJ.
- 2Multiply by the conversion factor 0.27777778.
- 3100 × 0.27777778 = 27.777778 Wh.
Result: 100 kJ = 27.777778 Wh
Kilojoule to Watt-hour conversion table
| Kilojoule (kJ) | Watt-hour (Wh) |
|---|---|
| 0.01 | 0.002778 |
| 0.1 | 0.027778 |
| 0.5 | 0.138889 |
| 1 | 0.277778 |
| 2 | 0.555556 |
| 3 | 0.833333 |
| 4 | 1.111111 |
| 5 | 1.388889 |
| 10 | 2.777778 |
| 20 | 5.555556 |
| 25 | 6.944444 |
| 50 | 13.888889 |
| 100 | 27.777778 |
| 250 | 69.444444 |
| 500 | 138.888889 |
| 1000 | 277.777778 |
Kilojoule to Watt-hour chart
kJ (horizontal) vs Wh (vertical)
Batch convert — paste multiple values
Related converters
Reverse: Watt-hour to KilojouleConvert from the same unit
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Frequently asked questions
How many watt-hours are in a kilojoule?
There are 0.277778 watt-hours in one kilojoule (1 kJ = 0.277778 Wh).
How do you convert kilojoules to watt-hours?
To convert kilojoules to watt-hours, multiply the value by 0.27777778. One kilojoule equals 0.277778 watt-hours.
What is 10 kilojoules in watt-hours?
10 kilojoules equals 2.777778 watt-hours.
How many kilojoules are in a watt-hour?
One watt-hour equals 3.6 kilojoules (1 Wh = 3.6 kJ).