Watt-hours to Kilojoules Converter
1 watt-hour = 3.6 kilojoules
1 kilojoule = 0.2777778 watt-hours
How to convert watt-hours to kilojoules
To convert watt-hours to kilojoules, multiply the value in watt-hours by 3.6.
kJ = Wh × 3.6
Example: 100 Wh × 3.6 = 360 kJ
Watt-hours to Kilojoules conversion table
| Watt-hour (Wh) | Kilojoule (kJ) |
|---|---|
| 1 Wh | 3.6 kJ |
| 2 Wh | 7.2 kJ |
| 3 Wh | 10.8 kJ |
| 4 Wh | 14.4 kJ |
| 5 Wh | 18 kJ |
| 6 Wh | 21.6 kJ |
| 7 Wh | 25.2 kJ |
| 8 Wh | 28.8 kJ |
| 9 Wh | 32.4 kJ |
| 10 Wh | 36 kJ |
| 12 Wh | 43.2 kJ |
| 15 Wh | 54 kJ |
| 20 Wh | 72 kJ |
| 25 Wh | 90 kJ |
| 30 Wh | 108 kJ |
| 40 Wh | 144 kJ |
| 50 Wh | 180 kJ |
| 60 Wh | 216 kJ |
| 70 Wh | 252 kJ |
| 75 Wh | 270 kJ |
| 80 Wh | 288 kJ |
| 90 Wh | 324 kJ |
| 100 Wh | 360 kJ |
| 150 Wh | 540 kJ |
| 200 Wh | 720 kJ |
| 250 Wh | 900 kJ |
| 500 Wh | 1,800 kJ |
| 1,000 Wh | 3,600 kJ |
About these units
Watt-hour (Wh)
The watt-hour (Wh) is a metric unit of energy accepted for use with the SI. 1 watt-hour equals 3,600 joules. This value is exact by definition.
Kilojoule (kJ)
The kilojoule (kJ) is a unit of energy in the International System of Units (SI). 1 kilojoule equals 1,000 joules. This value is exact by definition.
Frequently asked questions
What is 1 watt-hour in kilojoules?
1 watt-hour equals 3.6 kilojoules.
How do I convert watt-hours to kilojoules?
To convert watt-hours to kilojoules, multiply the value in watt-hours by 3.6. Example: 100 Wh × 3.6 = 360 kJ
What is 100 Wh in kilojoules?
100 watt-hours equals 360 kilojoules.