Convert watt to kilowatt
1 W = 0.001 kW
1 W = 0.001 kW
1 W in every power unit
| milliwatt | 1,000 mW |
| watt | 1 W |
| kilowatt | 0.001 kW |
| megawatt | 0.000001 MW |
| horsepower (mechanical) | 0.00134 hp |
| BTU per hour | 3.41 BTU/h |
| ton of refrigeration | 0.000284 ton |
How the conversion works
Multiply by 0.001 to go from watt to kilowatt, or divide by it to go back. Every conversion on this site routes through the SI value (W) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? kilowatt to watt — 1 kW = 1,000 W.
watt to kilowatt — common values
| 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 |
| 15 W | 0.015 kW |
| 20 W | 0.02 kW |
| 25 W | 0.025 kW |
| 50 W | 0.05 kW |
| 75 W | 0.075 kW |
| 100 W | 0.1 kW |
| 250 W | 0.25 kW |
| 500 W | 0.5 kW |
| 1000 W | 1 kW |