Kilowatt-hours to Watt-hours Converter
Convert kWh to Wh instantly. 1 kWh = 1,000 Wh.
Conversion Formula
Wh = kWh × 1,000
Example
25 kWh × 1,000 = 25,000 Wh
Convert the other way: Watt-hours to Kilowatt-hours →
Kilowatt-hours to Watt-hours Conversion Table
| Kilowatt-hours (kWh) | Watt-hours (Wh) |
|---|---|
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
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.
- 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.
Frequently Asked Questions
How many Wh are in 1 kWh?
1 kWh equals 1,000 Wh.
How do I convert Kilowatt-hours to Watt-hours?
Multiply your Kilowatt-hours value by 1,000. For example, 25 kWh × 1,000 = 25,000 Wh.
How many kWh are in 1 Wh?
1 Wh equals 0.001 kWh.