Power & Unit Conversions
dBm to Vrms Calculator
Convert a power level in dBm to the RMS voltage it produces across a given impedance.
Result
Enter the inputs above and select Calculate.
Formula: Vrms = √(Z₀ · 10^((P(dBm) − 30) / 10))
Power & Unit Conversions
Convert a power level in dBm to the RMS voltage it produces across a given impedance.
Result
Enter the inputs above and select Calculate.
Formula: Vrms = √(Z₀ · 10^((P(dBm) − 30) / 10))