Kilowatt-hours to Kilojoules Converter
Convert kWh to kJ instantly. 1 kWh = 3,600 kJ.
Conversion Formula
kJ = kWh × 3,600
Example
25 kWh × 3,600 = 90,000 kJ
Convert the other way: Kilojoules to Kilowatt-hours →
Kilowatt-hours to Kilojoules Conversion Table
| Kilowatt-hours (kWh) | Kilojoules (kJ) |
|---|---|
| 0.1 | 360 |
| 0.5 | 1,800 |
| 1 | 3,600 |
| 2 | 7,200 |
| 5 | 18,000 |
| 10 | 36,000 |
| 20 | 72,000 |
| 25 | 90,000 |
| 50 | 180,000 |
| 100 | 360,000 |
| 500 | 1,800,000 |
| 1,000 | 3,600,000 |
About These Units
- Kilowatt-hours (kWh)
- Exactly 3,600,000 joules, the energy used by a 1 kW load running for one hour. It is the billing unit on household electricity bills and the capacity unit for electric car batteries.
- Kilojoules (kJ)
- Exactly 1,000 joules. Kilojoules appear on food labels in Australia, New Zealand, and the European Union alongside or instead of calories, and one food Calorie equals about 4.184 kJ.
Frequently Asked Questions
How many kJ are in 1 kWh?
1 kWh equals 3,600 kJ.
How do I convert Kilowatt-hours to Kilojoules?
Multiply your Kilowatt-hours value by 3,600. For example, 25 kWh × 3,600 = 90,000 kJ.
How many kWh are in 1 kJ?
1 kJ equals 0.000277777778 kWh.