Convert Kilowatt Hours to Kilojoules
1 kilowatt hour = 3,600 kilojoules. Type any value below to convert in either direction — the calculation happens in your browser.
Kilowatt Hours to Kilojoules formula
Multiply the number of kilowatt hours by 3600 to get kilojoules.
kilojoules = kilowatt hours × 3600To go the other way: divide the number of kilojoules by 3600, or multiply by 0.0002777778.
kilowatt hours = kilojoules ÷ 3600Kilowatt Hours to Kilojoules conversion table
| Kilowatt Hours | Kilojoules |
|---|---|
| 1 kWh | 3,600 kJ |
| 2 kWh | 7,200 kJ |
| 3 kWh | 10,800 kJ |
| 4 kWh | 14,400 kJ |
| 5 kWh | 18,000 kJ |
| 6 kWh | 21,600 kJ |
| 7 kWh | 25,200 kJ |
| 8 kWh | 28,800 kJ |
| 9 kWh | 32,400 kJ |
| 10 kWh | 36,000 kJ |
| 15 kWh | 54,000 kJ |
| 20 kWh | 72,000 kJ |
| 25 kWh | 90,000 kJ |
| 30 kWh | 108,000 kJ |
| 40 kWh | 144,000 kJ |
| 50 kWh | 180,000 kJ |
| 75 kWh | 270,000 kJ |
| 100 kWh | 360,000 kJ |
| 250 kWh | 900,000 kJ |
| 500 kWh | 1,800,000 kJ |
| 1,000 kWh | 3,600,000 kJ |
Kilojoules to Kilowatt Hours conversion table
| Kilojoules | Kilowatt Hours |
|---|---|
| 1 kJ | 0.0002777778 kWh |
| 2 kJ | 0.0005555556 kWh |
| 3 kJ | 0.0008333333 kWh |
| 4 kJ | 0.001111111 kWh |
| 5 kJ | 0.001388889 kWh |
| 6 kJ | 0.001666667 kWh |
| 7 kJ | 0.001944444 kWh |
| 8 kJ | 0.002222222 kWh |
| 9 kJ | 0.0025 kWh |
| 10 kJ | 0.002777778 kWh |
About the kilowatt hour
A kilowatt hour is the unit on your electricity bill — 3.6 million joules.
About the kilojoule
A kilojoule is 1,000 joules and is how food energy is labelled in most of the world.
Frequently asked questions
How many kilojoules are in a kilowatt hour?
There are 3,600 kilojoules in one kilowatt hour.
How many kilowatt hours are in a kilojoule?
There are 0.0002777778 kilowatt hours in one kilojoule.
Is this conversion exact?
The ratio between the kilowatt hour and the kilojoule is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 kilowatt hours in kilojoules?
10 kilowatt hours equals 36,000 kilojoules.
Related energy conversions
- Joules to Kilojoules
- Calories to Kilojoules
- Kilocalories to Kilojoules
- Watt Hours to Kilojoules
- Kilowatt Hours to Joules
- Kilowatt Hours to Calories
- Kilowatt Hours to Kilocalories
- Kilowatt Hours to Watt Hours
- Kilowatt Hours to British Thermal Units
- Kilowatt Hours to Electronvolts
- Kilowatt Hours to Foot Pounds
- British Thermal Units to Kilojoules
- Electronvolts to Kilojoules
- Foot Pounds to Kilojoules