Watts to kilowatts (W to kW)
Convert watts to kilowatts. For power, 1 W equals 0.001 kW.
Converter
W to kW conversion table
| 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 |
| 1000 W | 1 kW |
Formula
kW = W × 0.001
Worked example
25 W × 0.001 = 0.025 kW
Popular conversion examples
Choose an example to open this converter with the value filled in. These are useful examples, not a claim about search rankings.
- 1 W to kW = 0.001 kW
- 5 W to kW = 0.005 kW
- 100 W to kW = 0.1 kW
- 1000 W to kW = 1 kW
- 1 kW to W = 1000 W
- 95 kW to W = 95000 W
About watts and kilowatts
Watt (W)
The watt is the SI unit of power: one joule per second. It is used for appliances, lighting and electronics.
Kilowatt (kW)
A kilowatt is 1,000 watts. It is used for motors, engines, heaters and solar systems.
Both are units of power; the base unit used internally is W.
Notes
- Horsepower here is mechanical (imperial) horsepower: 550 ft·lbf/s ≈ 745.6999 W. Metric horsepower (≈ 735.5 W) is not included.
- BTU/h is the International Table BTU per hour (≈ 0.29307 W). It is a rate of energy transfer, as used for heating and cooling capacity.
W to kW FAQs
How do I convert watts to kilowatts?
Multiply the number of watts by 0.001 (equivalently, divide by 1000) to get kilowatts. For example, 25 W × 0.001 = 0.025 kW.
How many kilowatts are in one watt?
1 W = 0.001 kW and 1 kW = 1000 W. To go the other way, use the kilowatts to watts converter.
How many kilowatts are in 1200 watts?
1200 W = 1.2 kW, rounded to 6 significant digits. Change the value in the converter above for any other amount.
How many kilowatts are in 1500 watts?
1500 W = 1.5 kW, rounded to 6 significant digits.
What is the formula for watts to kilowatts?
kW = W × 0.001, where W is the number of watts and kW is the result in kilowatts. The reverse is W = kW × 1000.
What is the difference between watts and kilowatts?
The watt is the SI unit of power: one joule per second. It is used for appliances, lighting and electronics. A kilowatt is 1,000 watts. It is used for motors, engines, heaters and solar systems.
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Guide
Read: What Is Horsepower? HP, kW and Watts.