dBm to Watts Calculator & Conversion Chart

This calculator converts power measurements between units of decibel-milliwatts and watts. To convert between dBm to W use the calculator provided below.

dBm to Watts Conversion Calculator

Conversion Formula

decibel to watt calculator

Graph View

dBm to watts Conversion Chart

Power (dBm)Power (W)
-30 dBm0.000001 W
-20 dBm0.00001 W
-10 dBm0.0001 W
0 dBm0.001 W
1 dBm0.0012589 W
2 dBm0.0015849 W
3 dBm0.0019953 W
4 dBm0.0025119 W
5 dBm0.0031628 W
6 dBm0.0039811 W
7 dBm0.0050119 W
8 dBm0.0063096 W
9 dBm 0.0079433 W
10 dBm0.01 W
20 dBm0.1 W
30 dBm1 W
40 dBm10 W
50 dBm 100 W
Calculator & Conversion Charts Menu