Convert Watt hour to Kilojoule (Wh to kJ)
How to convert watt hours to kilojoules
To convert watt hours to kilojoules, multiply watt hours by 3.6
To convert kilojoules to watt hours, divide kilojoules by 3.6
Common watt hour to kilojoule examples
| Watt hour (Wh) | Kilojoule (kJ) |
|---|---|
| 1 Wh | 3.6 kJ |
| 10 Wh | 36 kJ |
| 50 Wh | 180 kJ |
| 100 Wh | 360 kJ |
| 250 Wh | 900 kJ |
| 500 Wh | 1,800 kJ |
| 1,000 Wh | 3,600 kJ |
| 10,000 Wh | 36,000 kJ |
| 100,000 Wh | 360,000 kJ |
| 1,000,000 Wh | 3,600,000 kJ |
Frequently asked questions
How many kilojoules are in 100 watt hours?
100 Wh equals about 360 kJ.
What is the watt hours to kilojoules formula?
Use kilojoules = watt hours × 3.6. For reverse conversion, watt hours = kilojoules × 0.277777777778.
Can I convert kilojoules to watt hours too?
Yes. The calculator supports two-way conversion. Edit either field and the other updates instantly.
Is this conversion exact?
The converter uses fixed unit factors. Display values are rounded for readability.