Convert Watt to Kilowatt
Convert Watt to Kilowatt instantly. 1 W = 0.001 kW. Formula, worked examples and a quick reference table.
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W
kW
One watt equals 0.001 kilowatt. To convert any number of watts to kilowatts, multiply by 0.001.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Watt to Kilowatt formula
kilowatt = watt × 0.001
To go the other way, use watt = kilowatt ÷ 0.001.
Watt to Kilowatt conversion table
| Watt | Kilowatt |
|---|---|
| 1 W | 0.001 kW |
| 2 W | 0.002 kW |
| 3 W | 0.003 kW |
| 5 W | 0.005 kW |
| 10 W | 0.01 kW |
| 20 W | 0.02 kW |
| 25 W | 0.025 kW |
| 50 W | 0.05 kW |
| 100 W | 0.1 kW |
| 250 W | 0.25 kW |
| 500 W | 0.5 kW |
| 1,000 W | 1 kW |
Frequently asked questions
How many kilowatts are in a watt? +
There are 0.001 kilowatts in one watt.
What is 10 W in kW? +
10 W equals 0.01 kW. Multiply 10 by 0.001.
How do I convert kilowatt back to watt? +
Use watt = kilowatt ÷ 0.001. The converter above handles both directions, or see our dedicated Kilowatt to Watt page.