dBm to Watt Converter

Convert between dBm and milliwatts for RF power measurements.

About This Tool

dBm (decibels relative to one milliwatt) is a logarithmic unit commonly used in RF engineering and telecommunications. 0 dBm equals 1 milliwatt. Every 10 dB increase represents a 10x power increase. The conversion formulas are: mW = 10^(dBm/10) and dBm = 10 x log10(mW).