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Watts to Kilowatts converter

Convert W to kW instantly. Type any value and get the result in kilowatts. 1 W = 0.001 kW.

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Power›W → kW
From
To
result below ↓
1 W=
0.001kW
formula1 W = 0.001 kW

Common watts → kilowatts

=0.001 kW
=0.002 kW
=0.005 kW
=0.01 kW
=0.02 kW
=0.05 kW
=0.1 kW
=0.5 kW
=1 kW

Need a different value? .

Convert the other way
Kilowatts to Watts

How to convert watts to kilowatts

To convert watts to kilowatts, multiply the value by 0.001.

Formula
kW = W × 0.001

For example:

  • →5 W = 0.005 kW
  • →100 W = 0.1 kW

Quick reference

  • ▸1 W = 0.001 kW
  • ▸1 kW = 1,000 W

When you need to convert W to kW

  • ·Appliances — wattage to know what your circuit can handle.
  • ·Vehicles — comparing horsepower to kilowatts.
  • ·HVAC — sizing air conditioners with BTU/h.
  • ·Audio gear — speaker and amp ratings.
  • ·Renewable energy — solar panel output.

Frequently asked

How many kilowatts are in 1 watt?
One watt equals 0.001 kilowatts.
How do I convert W to kW in my head?
Multiply the value in watts by 0.001 to get kilowatts.
What is the formula for watts to kilowatts?
kW = W × 0.001.
What is the reverse — how many watts in 1 kilowatt?
One kilowatt equals 1,000 watts.

Related conversions

Kilowatts to Watts
1 kW = 1,000 W
Watts to Megawatts
1 W = 1.0000e-6 MW
Watts to Horsepower
1 W = 0.00134102 hp
Watts to Metric Horsepower
1 W = 0.00135962 PS
Megawatts to Kilowatts
1 MW = 1,000 kW
Horsepower to Kilowatts
1 hp = 0.7457 kW
Metric Horsepower to Kilowatts
1 PS = 0.735499 kW
BTU per Hour to Kilowatts
1 BTU/h = 0.000293071 kW
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