Milliwatt → Watt (mW → W)

1 mW = 0.001 W
1 Milliwatt (mW) = 0.001 Watt (W).

Milliwatt (mW):


Watt (W):

If you want to reverse convert, use Watt → Milliwatt. 1 W = 1000 mW. You can also explore the full Power converter page for more cross conversions.

Conversion formula

Milliwatt to Watt formula: value in W = value in mW × 0.001.

Watt to Milliwatt formula: value in mW = value in W × 1000.

How to convert Milliwatt to Watt

To convert Milliwatt to Watt, multiply the value in mW by 0.001. This gives the result in W.

For example, 1 mW = 0.001 W and 10 mW = 0.01 W.

What is Milliwatt?

Milliwatt (mW): Useful for small electronic loads and optical power. 1 mW = 0.001 W.

What is Watt?

Watt (W): Describes energy transferred each second, such as an appliance’s power draw. 1 W = 1 J/s.

FAQ

Milliwatt → other Power units

• 1 milliwatt → watt = 0.001 watt
• 1 milliwatt = 1.0E-6 kilowatt
• 1 milliwatt = 1.0E-9 megawatt
• 1 milliwatt = 1.341022089595E-6 horsepower
• 1 milliwatt → btu per hour = 0.0034121416331279 btu per hour

Milliwatt → Watt Table

The table below shows common values from Milliwatt to Watt and the reverse direction for quick reference.

Watt → Milliwatt Table

Watt → Milliwatt

The reverse value is 1 W = 1000 mW.