How Many Kilojoules in a Watt-hour?
Quick Answer
1 Watt-hour = 3.6 Kilojoules
1 Wh = 3.6 kJ
Formula
kJ = Wh × 3.6
Conversion Table
| Watt-hours (Wh) | Kilojoules (kJ) |
|---|---|
| 1 Wh | 3.6 kJ |
| 2 Wh | 7.2 kJ |
| 5 Wh | 18 kJ |
| 10 Wh | 36 kJ |
| 20 Wh | 72 kJ |
| 50 Wh | 180 kJ |
| 100 Wh | 360 kJ |
| 500 Wh | 1,800 kJ |
| 1,000 Wh | 3,600 kJ |
Worked Examples
Convert 5 Wh to kJ:
5 Wh × 3.6 = 18 kJ
Convert 10 Wh to kJ:
10 Wh × 3.6 = 36 kJ
Convert 50 Wh to kJ:
50 Wh × 3.6 = 180 kJ
FAQ
How many Kilojoules are in 1 Watt-hour?
There are 3.6 Kilojoules in 1 Watt-hour. Formula: kJ = Wh × 3.6.
How to convert Watt-hours to Kilojoules?
To convert Watt-hours to Kilojoules, multiply the number of Watt-hours by 3.6. For example, 10 Wh = 36 kJ.
How many Kilojoules are in 100 Watt-hours?
There are 360 Kilojoules in 100 Watt-hours. Calculation: 100 × 3.6 = 360.