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Convert kilowatts to watts (kW to W)

Type a value in kilowatts or in watts: the other field updates as you type. Below you will find the formula, a worked example and a kW to W chart.

Updated on

1 kW = 1,000 W

How to convert kilowatts to watts

Formula: W = kW × 1,000

Worked example: 100 kW → 100 × 1,000 = 100,000 W

Kilowatts to watts conversion chart

Kilowatts (kW)Watts (W)
1 kW1,000 W
2 kW2,000 W
3 kW3,000 W
5 kW5,000 W
7.5 kW7,500 W
10 kW10,000 W
22 kW22,000 W
50 kW50,000 W
75 kW75,000 W
100 kW100,000 W
150 kW150,000 W
200 kW200,000 W
300 kW300,000 W
500 kW500,000 W

What is a kilowatt?

The kilowatt equals 1,000 watts. It rates electric heaters, car engines outside the US, solar installations and home electrical service. Running 1 kW for one hour uses 1 kilowatt-hour of energy.

What is a watt?

The watt is the SI unit of power: one joule of energy per second. Light bulbs, chargers and small appliances are rated in watts; an LED bulb draws about 9 W and a hair dryer up to 1,800 W.

Frequently asked questions

How many watts are in a kilowatt?

A kilowatt equals 1,000 watts. To convert any value, multiply the number of kilowatts by 1,000.

How do you convert kilowatts to watts?

Use the formula W = kW × 1,000. Example: 100 kW → 100 × 1,000 = 100,000 W.

How many kilowatts are in a watt?

A watt equals 0.001 kilowatts. That is the reverse conversion, from watts to kilowatts.

Results are rounded to 6 significant digits; the conversion factors are the exact legal definitions.