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Open toolWatts to Milliwatts
Convert watts (W) to milliwatts (mW) with a copyable result.
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THE QUICK GUIDE
How to use watts to milliwatts
Enter a value in watts, choose your display precision, and select Convert. Use Swap units to calculate the reverse direction.
How it works
Power conversion: multiply the value in W by 1000 to obtain mW. Both units are related through watts.
A useful example
1 W = 1000 mW.
Good to know
Uses power units as labelled. Floating-point arithmetic is approximate; results show up to 12 significant digits. Very large or small results use scientific notation.