Convert watts to milliwatts
W
1 watt =
1000 milliwatts
* exact result
Select how many decimal places the result will be rounded to:
How to convert watts to milliwatts
To convert watts to milliwatts, multiply a watts value by 1000.
Formula mW = W × 1000
Example: Convert 10 watts to milliwatts Calculations: 10 W × 1000 = 10000 mW
Watt (W)
The watt is the universal unit of power, defined as one joule of energy transfer per second. One watt is approximately equal to 0.00134 imperial horsepower.
Milliwatt (mW)
The milliwatt is a unit of power, defined as 1/1000 of a watt. One milliwatt is approximately equal to 0.00000134 imperial horsepower.