watts to kilowatts
Convert watt to kilowatt — instant, free, with the formula shown.
1 W=0.001 kW
How to convert watt to kilowatt
To convert watt to kilowatt, multiply by 0.001:
kW = W × 0.001
For example, 10 W × 0.001 = 0.01 kW.
W to kW conversion table
| watts (W) | kilowatts (kW) |
|---|---|
| 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 |
| 250 W | 0.25 kW |
| 500 W | 0.5 kW |
| 1000 W | 1 kW |
Other watt conversions
Convert to kilowatt from another unit
W to kW — frequently asked
How many kilowatts are in 1 watt?
1 watt = 0.001 kilowatts (W × 0.001 = kW).
What is the formula to convert watt to kilowatt?
Multiply your watt value by 0.001 to get kilowatt.
How do I convert 10 watts to kilowatts?
10 W = 0.01 kW. For 100 W the answer is 0.1 kW. Use the calculator on this page for any other value.
When to convert watt to kilowatt
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
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