Watts to Kilowatts (W to kW) Converter
1 watt (W) = 0.001 kilowatts (kW). To convert watts to kilowatts, multiply by 0.001: 25 W × 0.001 = 0.025 kW.
Quick facts
- 1 W = 0.001 kW
- 1 kW = 1,000 W
- Formula: kW = W × 0.001
- Quick estimate: multiply by about 0.001
How to convert watts to kilowatts
- Take the value in watts.
- Multiply it by 0.001 (the number of kilowatts in one watt).
- Round the result to the precision you need.
Worked example: 25 W × 0.001 = 0.025 kW.
To convert kilowatts back to watts, multiply by 1,000, or divide by 0.001.
Source: NIST SP 811 (2008), Appendix B (mechanical horsepower and international-table BTU).
Watts to Kilowatts conversion table
| 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 |
| 1000 W | 1 kW |
W to kW chart from 1 to 100
- 1 W 0.001 kW
- 2 W 0.002 kW
- 3 W 0.003 kW
- 4 W 0.004 kW
- 5 W 0.005 kW
- 6 W 0.006 kW
- 7 W 0.007 kW
- 8 W 0.008 kW
- 9 W 0.009 kW
- 10 W 0.01 kW
- 11 W 0.011 kW
- 12 W 0.012 kW
- 13 W 0.013 kW
- 14 W 0.014 kW
- 15 W 0.015 kW
- 16 W 0.016 kW
- 17 W 0.017 kW
- 18 W 0.018 kW
- 19 W 0.019 kW
- 20 W 0.02 kW
- 25 W 0.025 kW
- 30 W 0.03 kW
- 35 W 0.035 kW
- 40 W 0.04 kW
- 45 W 0.045 kW
- 50 W 0.05 kW
- 55 W 0.055 kW
- 60 W 0.06 kW
- 65 W 0.065 kW
- 70 W 0.07 kW
- 75 W 0.075 kW
- 80 W 0.08 kW
- 85 W 0.085 kW
- 90 W 0.09 kW
- 95 W 0.095 kW
- 100 W 0.1 kW
Kilowatts to Watts conversion table
| Kilowatts [kW] | Watts [W] |
|---|---|
| 0.01 kW | 10 W |
| 0.1 kW | 100 W |
| 1 kW | 1000 W |
| 2 kW | 2000 W |
| 3 kW | 3000 W |
| 5 kW | 5000 W |
| 10 kW | 10000 W |
| 20 kW | 20000 W |
| 50 kW | 50000 W |
| 100 kW | 100000 W |
| 1000 kW | 1000000 W |
Watts vs Kilowatts
| Watt | Kilowatt | |
|---|---|---|
| Symbol | W | kW |
| Equals | 1 W = 0.001 kW | 1 kW = 1,000 W |
What is a watt?
The SI derived unit of power, equal to one joule per second. Used for electrical appliance and device power ratings.
What is a kilowatt?
Equal to 1,000 watts. Used for electric motors, heaters, and electric vehicle power.
Frequently asked questions
How many kilowatts are in a watt?
There are 0.001 kilowatts in 1 watt (1 W = 0.001 kW).
How many watts are in a kilowatt?
There are 1,000 watts in 1 kilowatt (1 kW = 1000 W).
How do I convert watts to kilowatts?
Multiply the number of watts by 0.001. For example, 10 W × 0.001 = 0.01 kW. To convert back, multiply by 1,000.
What is 10 W in kilowatts?
10 W = 0.01 kW.
What is 100 W in kilowatts?
100 W = 0.1 kW.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B (mechanical horsepower and international-table BTU)). Results are shown to up to 10 decimal places; round them to suit your purpose.
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