Kilowatt-hours to Joules
1 Kilowatt-hour = 3,600,000 Joules
3.6 × 10⁶
3,600,000(3.6 × 10⁶)
About these units
Kilowatt-hours
The kilowatt-hour is the energy of 1,000 watts running for one hour, about 3.6 million joules. It's the standard unit on electricity bills.
Joules
The joule is the SI unit of energy, equal to the work done by one newton over one meter. It's the foundation for measuring all forms of energy.
Conversion formula
To convert Kilowatt-hour to Joule, multiply the value by 3,600,000 (3.6 × 10⁶).
Quick reference
| Kilowatt-hours | Joules |
|---|---|
| 1 | 3,600,000 (3.6 × 10⁶) |
| 2 | 7,200,000 (7.2 × 10⁶) |
| 5 | 18,000,000 (1.8 × 10⁷) |
| 10 | 36,000,000 (3.6 × 10⁷) |
| 100 | 360,000,000 (3.6 × 10⁸) |
Frequently asked questions
- How many Joules are in one Kilowatt-hour?
- 1 Kilowatt-hour = 3,600,000 (3.6 × 10⁶) Joules.
- How many Kilowatt-hours are in one Joule?
- 1 Joule = 0.0000002777777778 (2.777777778 × 10⁻⁷) Kilowatt-hours.