Decibel to Power/Voltage Converter
Convert dB to voltage ratio or power ratio and vice versa.
Result:
Enter values and click Calculate
dB is a logarithmic unit. For voltages (or amplitudes): dB = 20 log10(V2/V1). For power: dB = 10 log10(P2/P1).
Convert dB to voltage ratio or power ratio and vice versa.
Enter values and click Calculate
dB is a logarithmic unit. For voltages (or amplitudes): dB = 20 log10(V2/V1). For power: dB = 10 log10(P2/P1).