Convert Milliwatts to Watts

Use our accurate converter to change milliwatts into watts. This tool is simple to use and works instantly.

How to Calculate

To change milliwatts to watts, you just need to know the conversion factor.

Rule: 1 Milliwatts = 0.001 Watts

Milliwatts to Watts
Pre-defined calculator for direct milliwatts to watts conversion.
Milliwatts (mW)
0
Watts (W)
Formula: 1 Milliwatts = 0.001 Watts

Unit Information

About Milliwatts

Definition: Milliwatt (symbol: mW) is an SI derived unit of power equal to 1/1000 of a watt.

History: A fundamental unit for representing very small power levels in electronics and precision engineering.

Where it is used: Used in fiber optics, audio equipment, and wireless signal strength measurements.

Milliwatts to Watts Conversion Table

Milliwatts [mw]Watts [w]
0.01 mw0.00001 w
0.1 mw0.0001 w
1 mw0.001 w
2 mw0.002 w
3 mw0.003 w
5 mw0.005 w
10 mw0.01 w
20 mw0.02 w
50 mw0.05 w
100 mw0.1 w
1000 mw1 w

How to Convert Milliwatts to Watts

Calculation: To convert milliwatts to watts, multiply the value by the conversion factor (0.001).

Example: convert 15 mw to w:
15 mw = 15 × 0.001 w = 0.015 w

Milliwatts to All Power Units

Explore all available conversion pairs for milliwatts to other professional power metrics.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.