Watt-hours to Kilowatt-hours
Convert watt-hours (Wh) to kilowatt-hours (kWh) instantly — with formula and reference table.
Quick answer: 1 Wh = 0.001 kWh. To convert watt-hours to kilowatt-hours, multiply by Wh × 0.001.
Converting watt-hours to kilowatt-hours
This converter changes a value in watt-hours (Wh) into kilowatt-hours (kWh). One watt-hour equals 0.001 kWh. One kilowatt-hour equals 1,000 watt-hours, so converting watt-hours to kilowatt-hours means dividing by 1,000. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
kWh = Wh × 0.001
Example
Convert 10 Wh to kWh: 10 × 0.001 = 0.01 kWh.
Watt-hours to Kilowatt-hours conversion table
| Watt-hours (Wh) | Kilowatt-hours (kWh) |
|---|---|
| 1 Wh | 0.001 kWh |
| 2 Wh | 0.002 kWh |
| 3 Wh | 0.003 kWh |
| 5 Wh | 0.005 kWh |
| 10 Wh | 0.01 kWh |
| 20 Wh | 0.02 kWh |
| 25 Wh | 0.025 kWh |
| 50 Wh | 0.05 kWh |
| 100 Wh | 0.1 kWh |
Popular watt-hours to kilowatt-hours conversions
Quick answers for the Wh values people look up most often:
- 4 Wh = 0.004 kWh
- 6 Wh = 0.006 kWh
- 7 Wh = 0.007 kWh
- 8 Wh = 0.008 kWh
- 9 Wh = 0.009 kWh
- 12 Wh = 0.012 kWh
- 15 Wh = 0.015 kWh
- 30 Wh = 0.03 kWh
- 40 Wh = 0.04 kWh
- 60 Wh = 0.06 kWh
- 75 Wh = 0.075 kWh
- 80 Wh = 0.08 kWh
- 90 Wh = 0.09 kWh
- 150 Wh = 0.15 kWh
- 200 Wh = 0.2 kWh
- 250 Wh = 0.25 kWh
- 500 Wh = 0.5 kWh
- 1000 Wh = 1 kWh
How to use this converter
- Enter a value in the watt-hours (Wh) field.
- Read the converted value in kilowatt-hours (kWh) below.
- Type into the kWh field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many kilowatt-hours is 1,000 Wh?
1,000 watt-hours equals exactly 1 kWh.
How do I convert 500 Wh to kWh?
500 divided by 1,000 = 0.5 kWh.
What can 1 kWh power?
About 1 kWh runs a 100 W bulb for 10 hours, or a typical fridge for a day.