Op-Amp Voltage en Gain Calculator Input Parameters R1 (KOhms) R2 (KOhms) R3 (KOhms) R4 (KOhms) V1 (V) V2 (V) Vp (V) Vn (V) Outputs Vout (V) Output is clipped. Gain Inverting (Vout/V1) Gain non-inverting (Vout/V2)