Watt-hour to Kilojoule
1 Wh = 3.6 kJ
One watt-hour equals 3.6 kilojoules, and one kilojoule equals 0.277778 watt-hours.
Watt-hour to Kilojoule formula
kJ = Wh × 3.6
To convert watt-hours to kilojoules, multiply the value by 3.6. One watt-hour equals 3.6 kilojoules.
Step-by-step examples
Convert 1 watt-hours to kilojoules
- 1Start with the value in watt-hours: 1 Wh.
- 2Multiply by the conversion factor 3.6.
- 31 × 3.6 = 3.6 kJ.
Result: 1 Wh = 3.6 kJ
Convert 10 watt-hours to kilojoules
- 1Start with the value in watt-hours: 10 Wh.
- 2Multiply by the conversion factor 3.6.
- 310 × 3.6 = 36 kJ.
Result: 10 Wh = 36 kJ
Convert 100 watt-hours to kilojoules
- 1Start with the value in watt-hours: 100 Wh.
- 2Multiply by the conversion factor 3.6.
- 3100 × 3.6 = 360 kJ.
Result: 100 Wh = 360 kJ
Watt-hour to Kilojoule conversion table
| Watt-hour (Wh) | Kilojoule (kJ) |
|---|---|
| 0.01 | 0.036 |
| 0.1 | 0.36 |
| 0.5 | 1.8 |
| 1 | 3.6 |
| 2 | 7.2 |
| 3 | 10.8 |
| 4 | 14.4 |
| 5 | 18 |
| 10 | 36 |
| 20 | 72 |
| 25 | 90 |
| 50 | 180 |
| 100 | 360 |
| 250 | 900 |
| 500 | 1,800 |
| 1000 | 3,600 |
Watt-hour to Kilojoule chart
Wh (horizontal) vs kJ (vertical)
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Frequently asked questions
How many kilojoules are in a watt-hour?
There are 3.6 kilojoules in one watt-hour (1 Wh = 3.6 kJ).
How do you convert watt-hours to kilojoules?
To convert watt-hours to kilojoules, multiply the value by 3.6. One watt-hour equals 3.6 kilojoules.
What is 10 watt-hours in kilojoules?
10 watt-hours equals 36 kilojoules.
How many watt-hours are in a kilojoule?
One kilojoule equals 0.277778 watt-hours (1 kJ = 0.277778 Wh).