dBu to dBV Calculator

This tool converts from dBu to dBV.

dBV to dBu

Formula

dBV = dBu – 2.21

V = 10(dBu / 20) * 0.775

Background

dBu and dBV are decibel units corresponding to voltage.

  • dBu is dB relative to 0.775 volt
  • dBV is dB relative to 1.0 volt