Convert watt-hours to kilowatt-hours quickly and accurately using this free online converter
Used in nutrition labels, physics, and electricity consumption.
💡 Calories (kcal) are used in food; joules in science; kWh in electricity.
kWh = Wh × 0.001
Example: 1 Wh × 0.001 = 0.001 kWh
Use kcal for food; kWh for energy consumption; joules for science.
Common uses: nutrition, electricity bills, and scientific calculations.
How do I convert Wh to kWh?
Multiply the value in Watt-hours by 0.001. For example: 10 Wh = 0.01 kWh.
When should I use Kilowatt-hours instead of Watt-hours?
Use kcal for food; kWh for energy consumption; joules for science.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 1 Wh | 0.001 kWh |
| 10 Wh | 0.01 kWh |
| 50 Wh | 0.05 kWh |
| 100 Wh | 0.1 kWh |
| 250 Wh | 0.25 kWh |
| 500 Wh | 0.5 kWh |
| 1000 Wh | 1 kWh |
| 2000 Wh | 2 kWh |