Watts to Kilowatts Converter
Convert watts to kilowatts instantly. 1 W = 0.001 kW. Free two-way converter with the formula and a quick reference table.
How to convert watts to kilowatts
kilowatts = watts × 0.001
One watt equals 0.001 kilowatts, so to convert watts to kilowatts you multiply by 0.001. Going the other way, one kilowatt is 1,000 watts. Both units measure power, so the conversion is an exact ratio that never changes.
10 watts = 0.01 kilowatts. Multiply your watt figure by the factor above (or just type it into the box) to convert any amount.
watts to kilowatts table
| watts (W) | kilowatts (kW) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1,000 | 1 |
Frequently asked questions
How many kilowatts are in a watt?
One watt equals 0.001 kilowatts. So to convert, multiply the number of watts by 0.001.
How do I convert watts to kilowatts?
Multiply by 0.001, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.