Op-Amp Gain Calculator
Calculate voltage gain for various op-amp configurations.
Configuration
Gain Results
-10.000
Gain (V/V)
20.00
Gain (dB)
10.000
|Gain| (Magnitude)
180°
Phase Shift
Formula
Av = -Rf / R1
Inverting amplifier gain
Understanding Op-Amp Gain
Inverting: Output is inverted (180° phase shift). Input impedance equals R1.
Non-Inverting: Output is in-phase. Very high input impedance.
Buffer: Unity gain, used for impedance matching.
Differential: Amplifies the difference between two inputs.