POWER CONVERSION
Watt to Kilowatt.
Convert watt (W) to kilowatt (kW), with the math explained.
THE MATH, MADE SIMPLE
How to convert watt to kilowatt
Multiply your watt value by 0.001 to get the equivalent in kilowatt. Both units are normalized through the watt.
kW = W × 0.00110 W = 0.01 kW
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
W to kW conversion table
| Watt (W) | Kilowatt (kW) |
|---|---|
| 1 W | 0.001 kW |
| 2 W | 0.002 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 |
| 500 W | 0.5 kW |
| 1,000 W | 1 kW |
About the watt
The watt (W) is a unit of power. One watt equals 1 watt (base unit) in this calculator.
All watt conversionsAbout the kilowatt
The kilowatt (kW) is a unit of power. One kilowatt equals 1,000 watt (base unit) in this calculator.
All kilowatt conversionsCommon questions
What is 1 W in kW?
One watt equals 0.001 kW. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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