Instantly convert watts (W) to kilowatts (kW). Bidirectional, accurate, and free.
To convert watts to kilowatts, use the formula kilowatts = watts × 0.001. For example, 2 watts equals 0.002 kilowatts. Type any number into the calculator above and the result appears instantly — you can also type into the kilowatts box to convert the other way.
| Watts | Kilowatts |
|---|---|
| 1 W | 0.001 kW |
| 2 W | 0.002 kW |
| 5 W | 0.005 kW |
| 10 W | 0.01 kW |
| 25 W | 0.025 kW |
| 50 W | 0.05 kW |
| 100 W | 0.1 kW |
| 200 W | 0.2 kW |
There are 0.001 kilowatts in one watt. To convert any value, apply the formula kilowatts = watts × 0.001.
The formula is kilowatts = watts × 0.001. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.