Skip to content
RK Calculator
Menu

Kilowatts to Watts Converter

Convert kilowatts (kW) to watts (W), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter a power, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
1,000 W
microwatts
1,000,000,000 µW
milliwatts
1,000,000 mW
megawatts
0.001 MW
gigawatts
1 × 10⁻⁶ GW
horsepower (mechanical, 550 ft·lbf/s)
1.3410220896 hp
metric horsepower (PS)
1.3596216173 PS
horsepower (electric)
1.34048257373 hp(E)
BTU (IT) per hour
3,412.14163313 BTU/h
kilocalories per hour
860.420650096 kcal/h

1 kW = 1,000 W

Show the working
  1. 1 kW = 1000 W
  2. 1 × 1000 = 1000 W

How to convert kilowatts to watts

1 kW = 1,000 W, so multiply by 1,000 to go from kilowatts to watts. Going the other way, 1 W = 0.001 kW.

W = kW × 1,000
kW = W × 0.001

Worked example:

1 kW = 1000 W
5 × 1000 = 5000 W

Kilowatts to watts table

KilowattsWatts
1 kW1,000 W
2 kW2,000 W
3 kW3,000 W
4 kW4,000 W
5 kW5,000 W
6 kW6,000 W
7 kW7,000 W
8 kW8,000 W
9 kW9,000 W
10 kW10,000 W
15 kW15,000 W
20 kW20,000 W
25 kW25,000 W
30 kW30,000 W
40 kW40,000 W
50 kW50,000 W
75 kW75,000 W
100 kW100,000 W
250 kW250,000 W
500 kW500,000 W
1000 kW1,000,000 W

About the units

Kilowatts (kW)
Kilowatts, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
Watts (W)
Watts, a metric unit. Definition: BIPM SI Brochure.

Formula version 0.1.0Reviewed