Watt-hours to Kilowatt-hours Converter
Convert Wh to kWh instantly. 1 Wh = 0.001 kWh.
Conversion Formula
kWh = Wh × 0.001
Example
25 Wh × 0.001 = 0.025 kWh
Convert the other way: Kilowatt-hours to Watt-hours →
Watt-hours to Kilowatt-hours Conversion Table
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 0.1 | 0.0001 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
About These Units
- Watt-hours (Wh)
- Exactly 3,600 joules, the energy delivered by one watt for one hour. Watt-hours rate phone power banks and laptop batteries, and airlines set their lithium battery carry-on limits in this unit.
- 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.
Frequently Asked Questions
How many kWh are in 1 Wh?
1 Wh equals 0.001 kWh.
How do I convert Watt-hours to Kilowatt-hours?
Multiply your Watt-hours value by 0.001. For example, 25 Wh × 0.001 = 0.025 kWh.
How many Wh are in 1 kWh?
1 kWh equals 1,000 Wh.