Convert watts to kW
Watts to kilowatts. Enter a value to convert, or use the watts to kW chart further down the page.
1 watt equals 0.001 kilowatts. Going the other way, 1 kilowatt = 1,000 watts.
How to convert watts to kW
To convert watts to kilowatts, multiply the watt value by 0.001. You can also divide by 1000 to get the same answer.
kW = W × 0.001
Worked example
Convert 15 W to kilowatts:
15 W = 0.015 kW
watts to kW conversion chart
Use this watts to kW table for quick reference without typing anything.
| watts (W) | kilowatts (kW) |
|---|---|
| 0.01 W | 0.00001 kW |
| 0.1 W | 0.0001 kW |
| 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 |
| 50 W | 0.05 kW |
| 100 W | 0.1 kW |
| 1,000 W | 1 kW |
What is a watt?
The watt is the SI unit of power: one joule per second.
What is a kilowatt?
A kilowatt is 1,000 watts. Electric motors, kettles, EV chargers and car engines outside the US are all rated in kilowatts.
Frequently asked questions
How many kW are in a watt?
1 watts equals 0.001 kW. Going the other way, 1 kW is 1,000 watts.
How do you convert watts to kW?
To convert watts to kilowatts, multiply the watt value by 0.001. You can also divide by 1000 to get the same answer.
What is 10 watts in kW?
10 watts equals 0.01 kW. The conversion chart on this page lists the other values people look up most often.
Related power conversions
Convert watts to other units
Convert other units to kW
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