Kilowatt hour to Joule
Convert Kilowatt hour (kWh) into Joule (J) with an instant calculator and a practical reference table.
Conversion result
Calculations run in your browser. Results use approximately 12 significant digits, with floating-point rounding. Verify safety-critical measurements against applicable standards.
How to convert Kilowatt hour to Joule
1 kWh = 3,600,000 J. Multiply the input by 3,600,000. This page uses defined units and rounds the displayed answer to approximately 12 significant digits.
Kilowatt hour to Joule conversion table
| Kilowatt hour | Joule |
|---|---|
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 5 kWh | 18,000,000 J |
| 10 kWh | 36,000,000 J |
| 25 kWh | 90,000,000 J |
| 100 kWh | 360,000,000 J |
Frequently asked questions
How many J are in one kWh?
One kWh equals 3,600,000 J.
Can I reverse this conversion?
Yes. Use Swap units above, or select any of the other 14 supported energy units.