Power Converter

Convert between watts and other practical power units.

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Related Conversions
10 mW to kW 20 mW to kW 75 mW to kW 100 mW to kW 200 mW to kW 500 mW to kW 675 mW to kW 1,200 mW to kW 1,500 mW to kW 1,800 mW to kW 3,000 mW to kW 7,500 mW to kW
Reverse Conversions
1 kW to mW 2 kW to mW 5 kW to mW 20 kW to mW 75 kW to mW 250 kW to mW 600 kW to mW 750 kW to mW 825 kW to mW 900 kW to mW 1,500 kW to mW 1,800 kW to mW
More Power Conversions
1 MW to kW 10 MW to kW 50 kW to hp 100 W to BTU/h 150 hp to kW 250 hp to kW 300 W to BTU/h 4,000 hp to kW 5,000 BTU/h to W 10,000 BTU/h to kW 18,000 BTU/h to kW 150,000 W to BTU/h

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Common Benchmarks

Toaster 1200 W
Microwave 1000 W
Laptop charger 65 W
Hair dryer 1800 W
Car engine 100 hp
Electric kettle 1500 W

Formula

kW = mW × 0.000001

Example

Example: convert 750 milliwatts to kilowatts.

750 mW = 0.00075 kW

Conversion table

milliwatts (mW) kilowatts (kW)
1 mW 0.000001 kW
2 mW 0.000002 kW
5 mW 0.000005 kW
10 mW 0.00001 kW
20 mW 0.00002 kW
50 mW 0.00005 kW
100 mW 0.0001 kW

Explanation

These are both units.

How to convert milliwatts to kilowatts

  1. Start with the value in milliwatts (mW).
  2. Multiply it by 0.000001.
  3. The result is the measurement in kilowatts (kW).

Example: 750 mW → 0.00075 kW

Frequently Asked Questions

How much is 750 milliwatts in kilowatts?

750 milliwatts equals 0.00075 kilowatts.

How many kilowatts is 1 milliwatt?

1 milliwatt equals 0.000001 kilowatts.

How many milliwatts is 1 kilowatt?

1 kilowatt equals 1000000 milliwatts.

What is the difference between milliwatts and kilowatts?

Both measure power, but they are commonly used in different contexts. The watt (W) is the SI unit and is widely used in electrical/device specs, while horsepower (hp) is a traditional unit often used to describe engines and machinery.

Where are milliwatts and kilowatts used?

Watts are common in electrical power/consumption (devices, appliances, lighting). Horsepower is commonly used for mechanical power (engines, pumps, compressors, machinery).

Why does 1 milliwatt equal 0.000001 kilowatts?

Because power units are defined with a fixed relationship, which determines the conversion factor.