Kilowatts (kW)	Milliwatts (mW)
1 kW	1000000 mW
2 kW	2000000 mW
5 kW	5000000 mW
10 kW	10000000 mW
25 kW	25000000 mW
50 kW	50000000 mW
100 kW	100000000 mW
250 kW	250000000 mW
500 kW	500000000 mW
1000 kW	1000000000 mW

Convert Kilowatts to Milliwatts

Convert kilowatts to milliwatts (kW to mW) with our instant calculator. 1 kW = 1000000 mW. Includes exact formula and reference tables.

How to Convert Kilowatts to Milliwatts (kW to mW)

1 Kilowatt (kW) is equal to 1000000 Milliwatts (mW). Multiply the kilowatt value by 1000000

Quick Answer 1 kW = 1000000 mW

Formula mW = kW × 1000000

Inverse Factor 1 mW = 0.000001 kW

Unit Definitions & Metrology Context

The SI unit of power is the watt (W), equal to 1 joule per second. 1 mechanical horsepower equals ~745.7 watts.

About Kilowatts (kW): Kilowatt (kW) is a unit in the Power measurement category. It is a standard everyday unit of power measurement. Relative to the power base unit, 1 kW equals 1000 Watts (W).

About Milliwatts (mW): Milliwatt (mW) is a unit in the Power measurement category. It is widely used in rf transmitters, wi-fi & laser output. Relative to the power base unit, 1 mW equals 0.001 Watts (W).

Need to convert in the opposite direction? Visit our Convert Milliwatts to Kilowatts (mW to kW) calculator (1 mW = 0.000001 kW).

Step-by-Step Worked Examples (kW to mW)

Convert 5 Kilowatts to Milliwatts: Applying the formula (mW = kW × 1000000): starting with 5 kW, multiply the kilowatt value by 1000000 to get 5000000 mW.
Convert 10 Kilowatts to Milliwatts: Applying the formula (mW = kW × 1000000): starting with 10 kW, multiply the kilowatt value by 1000000 to get 10000000 mW.
Convert 50 Kilowatts to Milliwatts: Applying the formula (mW = kW × 1000000): starting with 50 kW, multiply the kilowatt value by 1000000 to get 50000000 mW.

Popular Power Conversions

Horsepower (Mechanical/US) ⇄ Kilowatt

1 mechanical horsepower equals approximately 0.7457 kilowatts.

Kilowatt ⇄ Horsepower (Mechanical/US)

Multiply kilowatts by ~1.34102 to calculate mechanical horsepower.

Kilowatt ⇄ Watt

1 kilowatt equals exactly 1,000 watts.

Megawatt ⇄ Kilowatt

1 megawatt equals exactly 1,000 kilowatts or 1,000,000 watts.

Frequently Asked Questions

Verified answers and formulas for converting kilowatts to milliwatts.

How many milliwatts are in 1 kilowatt?

There are 1000000 milliwatts (mW) in 1 kilowatt (kW). Conversely, 1 milliwatt equals 0.000001 kilowatts.

How do you convert kilowatts to milliwatts?

To convert kilowatts (kW) to milliwatts (mW), use the formula: mW = kW × 1000000. Multiply the kilowatt value by 1000000. For example, 10 kW equals 10000000 mW.

How do I convert back from milliwatts to kilowatts?

To convert in the reverse direction from milliwatts (mW) to kilowatts (kW), use the inverse formula: kW = mW / 1000000. Divide the milliwatt value by 1000000 (1 mW = 0.000001 kW).

What is the difference between kilowatt (kW) and milliwatt (mW)?

Both kilowatt and milliwatt measure power. Kilowatt (kW) is a unit in the Power measurement category. It is a standard everyday unit of power measurement. Relative to the power base unit, 1 kW equals 1000 Watts (W). Milliwatt (mW) is a unit in the Power measurement category. It is widely used in rf transmitters, wi-fi & laser output. Relative to the power base unit, 1 mW equals 0.001 Watts (W).

How many watts are in 1 horsepower?

1 mechanical (imperial) horsepower equals approximately 745.7 watts. 1 metric horsepower (PS) equals ~735.5 watts.