Op Amp Gain

Enter two of the following: R1, R2 and K. Then click on "Get _x" for the desired parameter.

Schematic non-inverting config inverting config
Config Non-Inverting Inverting


R1 Ohms
R2 Ohms
K = Vout/Vin (V/V)

Equations Non-Inverting Inverting
K = R2/R1+1
R2 = R1*(K-1)
R1 = R2/(K-1)		 K = -R2/R1
R1 = -R2*K
R1 = -R2/K