Convert kilojoule (kJ) to kilowatt hour (kWh).
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Kilowatt Hour to Kilojoule Converter (kWh to kJ)
Convert kilowatt hour (kWh) to kilojoule (kJ).Unit Converter · Energy
Quick answer
1 kilowatt hour (kWh) is equal to 3,600 kilojoules (kJ). 1 kilojoule (kJ) is approximately equal to 0.00027778 kilowatt hours (kWh).
To convert kWh to kJ, multiply the value in kilowatt hours by 3,600. For example, 10 kWh = 36,000 kJ, and 100 kWh = 3,60,000 kJ.
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Quick reference — kilowatt hour to kilojoule
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How to convert kilowatt hours to kilojoules
How many kilojoules are in a kilowatt hour? 1 kilowatt hour is 3,600 kilojoules. This free kWh to kJ converter and kilowatt hour to kilojoule calculator gives the answer instantly for any value.
To convert kilowatt hour (kWh) to kilojoule (kJ), multiply the value in kilowatt hours by 3,600.
kJ = kWh × 3,600
- 1
Take the value in kilowatt hours
For example, 25 kWh.
- 2
Multiply by 3,600
25 × 3,600.
- 3
Read the answer in kilojoules
25 kWh = 90,000 kJ.
Kilowatt Hour to Kilojoule conversion table
Common values from 1 to 1,000 kilowatt hours converted to kilojoules.
| Kilowatt Hour (kWh) | Kilojoule (kJ) |
|---|---|
| 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 |
| Kilowatt Hour (kWh) | Kilojoule (kJ) |
|---|---|
| 30 kWh | 1,08,000 kJ |
| 40 kWh | 1,44,000 kJ |
| 50 kWh | 1,80,000 kJ |
| 60 kWh | 2,16,000 kJ |
| 70 kWh | 2,52,000 kJ |
| 75 kWh | 2,70,000 kJ |
| 80 kWh | 2,88,000 kJ |
| 90 kWh | 3,24,000 kJ |
| 100 kWh | 3,60,000 kJ |
| 250 kWh | 9,00,000 kJ |
| 500 kWh | 18,00,000 kJ |
| 1,000 kWh | 36,00,000 kJ |
About kilowatt hours and kilojoules
Kilowatt Hour (kWh)
A kilowatt-hour (kWh) is 1,000 watt-hours, or 3.6 million joules. It is the "unit" charged on household electricity bills.
Kilojoule (kJ)
A kilojoule (kJ) is 1,000 joules. Food energy on nutrition labels is often shown in kJ as well as kcal.
kWh to kJ: common questions
- How many kilojoules are in 1 kilowatt hour?
- 1 kilowatt hour (kWh) is equal to 3,600 kilojoules (kJ). In short: 1 kWh = 3,600 kJ.
- How do I convert kilowatt hours to kilojoules?
- To convert kWh to kJ, multiply the value in kilowatt hours by 3,600. For example, 5 kWh = 18,000 kJ.
- How do I convert kilojoules to kilowatt hours?
- To convert kJ to kWh, divide the value in kilojoules by 3,600. Or open the Kilojoule to Kilowatt Hour converter, which does it for you.
- What is 10 kWh in kJ, and what is 100 kWh?
- 10 kWh = 36,000 kJ, and 100 kWh = 3,60,000 kJ. The table above lists more values from 1 to 1,000.
- Is this kWh to kJ converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Kilojoule to Kilowatt Hour converter →All Energy converters →
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