Kilowatt-hours to watt-hours converter
Watt-hours (Wh)
1 kilowatt-hour = 1,000 watt-hours
How to convert kilowatt-hours to watt-hours
Wh = kWh × 1000
Multiply the number of kilowatt-hours by 1000 to get watt-hours. Going the other way, divide by 1000 (or multiply by 0.001).
One kilowatt-hour is exactly defined as 1000 watt-hours (to 12 significant figures), and one watt-hour is 0.001 kilowatt-hours.
Worked examples
- Convert 5 kilowatt-hours: 5 × 1000 = 5,000 5,000 watt-hours.
- Convert 12.5 kilowatt-hours: 12.5 × 1000 = 12,500 12,500 watt-hours.
- Convert 250 kilowatt-hours: 250 × 1000 = 250,000 250,000 watt-hours.
Quick-reference table
| kWh | Wh |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
| Wh | kWh |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 1,000 | 1 |
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Frequently asked questions
How many watt-hours are in 1 kilowatt-hour?
1 kilowatt-hour equals 1,000 watt-hours.
What is the formula to convert kilowatt-hours to watt-hours?
Use Wh = kWh × 1000. Multiply the number of kilowatt-hours by 1000 to get watt-hours. Going the other way, divide by 1000 (or multiply by 0.001).
What is 100 kilowatt-hours in watt-hours?
100 kilowatt-hours is 100,000 watt-hours.