Use this electronics calculation for a first-pass component, converter, signal, motor, or sensor estimate when the stated operating conditions and units match the device data.

Level

Required number input.

Convert a signal level in dBmV to volts using the 0 dBmV reference of 1 mV. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Voltage

The resulting voltage returned as a number.

• Audio calculations must distinguish peak, RMS, dBu, dBV, acoustic SPL, electrical power, nominal impedance, sensitivity, and weighting. Loudspeaker impedance varies with frequency, room response changes SPL, and clipping or thermal limits are not represented by a single nominal value.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check the result against the current datasheet and worst-case operating corners, then verify the circuit or measurement with simulation and bench testing where failure matters.

• Volts To dBmV

  Convert a signal voltage in volts to a level in dBmV referenced to 1 mV.

• dBu To Volts

  Convert a signal level in dBu to volts RMS using the 0 dBu reference of 0.7746 V.

• dBV To Volts

  Convert a signal level in dBV to volts RMS using the 0 dBV reference of 1 V.