RF Power Conversion Calculator Select input type Milliwatts (mW) Watts (W) Decibel-milliwatt (dBm) Decibel-watt (dBW) Millivolts (mV) Volts (V) Converted Power mVrms mVpp Milliwatts (mW) Watts (W) Decibel-milliwatt (dBm) Decibel-watt (dBW) Millivolts (mV) Volts (V)