Kilowatt-hour to Joule Converter
Convert kilowatt-hour to joule instantly with a local, precise conversion. Enter decimals, zero, negative values where meaningful, or scientific notation.
How to convert kilowatt-hour to joule
1 kWh = 3,600,000 J. Convert through joule.
Worked examples
2 kWh equals 7,200,000 J. Enter any valid finite value above for an immediate result.
Kilowatt-hour to Joule conversion table
| Kilowatt-hour (kWh) | Joule (J) |
|---|---|
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 5 kWh | 18,000,000 J |
| 10 kWh | 36,000,000 J |
| 20 kWh | 72,000,000 J |
| 25 kWh | 90,000,000 J |
| 50 kWh | 180,000,000 J |
| 100 kWh | 360,000,000 J |
Reverse conversion: Joule to Kilowatt-hour Converter
Frequently asked questions
How do I convert kilowatt-hour to joule?
1 kWh = 3,600,000 J. Convert through joule.
Can I enter decimals or scientific notation?
Yes. The converter accepts decimals, grouped numbers and scientific notation, then formats the result without changing the underlying calculation.
Is this conversion performed online?
The page is delivered by the website, but the value conversion itself runs locally in your browser and is not submitted to a calculation service.