Advanced dBm to Watts Calculator
Convert power measurements between dBm and Watts with advanced features
Common dBm Values
0 dBm
1 mW
10 dBm
10 mW
20 dBm
100 mW
30 dBm
1 W
40 dBm
10 W
Formula
P(W) = 10(P(dBm) – 30) / 10
VRMS = √(P(W) × R(Ω))