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Watts to Kilowatts

Type a value in Watts and get the result in Kilowatts, calculated exactly.

1 W = 0.001 kW Power converter

100 Watts = 0.1 Kilowatts

Precision

Exact factorThis result is exact.

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Formula

kW = W × 0.001

To convert Watts to Kilowatts, multiply the value by 0.001.

Worked examples

  1. 1 W × 0.001 = 0.001 kW
  2. 100 W × 0.001 = 0.1 kW
  3. 50 W × 0.001 = 0.05 kW

This factor is exact by definition.

Conversion table

Watts to Kilowatts
Watts (W)Kilowatts (kW)
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01
150.015
200.02
250.025
300.03
400.04
500.05
600.06
700.07
750.075
800.08
900.09
1000.1

Values marked ≈ are rounded; the rest are exact.

Reverse table: Kilowatts to Watts
Kilowatts to Watts
Kilowatts (kW)Watts (W)
11,000
22,000
33,000
44,000
55,000
66,000
77,000
88,000
99,000
1010,000
1515,000
2020,000
2525,000
3030,000
4040,000
5050,000
6060,000
7070,000
7575,000
8080,000
9090,000
100100,000

Convert Kilowatts to Watts

Unit definitions

Watts W
The SI unit of power: one joule per second.
Kilowatts kW
Exactly 1000 watts.

Questions people ask

Watts to Kilowatts: what is the conversion factor?

One W is 0.001 kW.

How do I convert Watts to Kilowatts?

Use the formula above. For example, 100 W = 0.1 kW.

Is the conversion exact?

Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.

Factors checked 19 October 2026.