Power Converter

Convert between watts and other practical power units.

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Related Conversions
2 mW to kW 10 mW to kW 20 mW to kW 25 mW to kW 50 mW to kW 150 mW to kW 1,000 mW to kW 2,560 mW to kW 3,520 mW to kW 5,120 mW to kW 6,400 mW to kW 12,800 mW to kW
Reverse Conversions
1 kW to mW 2 kW to mW 25 kW to mW 50 kW to mW 75 kW to mW 100 kW to mW 150 kW to mW 250 kW to mW 1,000 kW to mW 2,880 kW to mW 5,120 kW to mW 6,400 kW to mW
More Power Conversions
50 kW to hp 100 kW to hp 200 hp to kW 250 kW to hp 300 hp to kW 750 W to BTU/h 1,000 BTU/h to W 1,000 W to BTU/h 10,000 hp to kW 24,000 BTU/h to kW 48,000 BTU/h to kW 150,000 W to BTU/h

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Common Benchmarks

Microwave 1000 W
Hair dryer 1800 W
Air conditioner 3500 W
Toaster 1200 W
Refrigerator average 150 W
E-bike motor 500 W

Formula

kW = mW × 0.000001

Example

Example: convert 3200 milliwatts to kilowatts.

3200 mW = 0.0032 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: 3200 mW → 0.0032 kW

Frequently Asked Questions

How much is 3200 milliwatts in kilowatts?

3200 milliwatts equals 0.0032 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.