Op-Amp Gain Calculator

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Calculates the voltage gain for standard operational amplifier circuit configurations (inverting, non-inverting).

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Configuration, Feedback Resistor (Rf) - Ohms, and Input Resistor (R1) - Ohms in the units shown.

Step 2

Read Voltage Gain (Av) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Configuration: Inverting; Feedback Resistor (Rf) - Ohms: 10,000 Ω; Input Resistor (R1) - Ohms: 1,000 Ω

Voltage Gain (Av): -10

Configuration: Inverting; Feedback Resistor (Rf) - Ohms: 100,000 Ω; Input Resistor (R1) - Ohms: 10,000 Ω

Voltage Gain (Av): -10

Configuration: Non-inverting; Feedback Resistor (Rf) - Ohms: 10,000 Ω; Input Resistor (R1) - Ohms: 1,000 Ω

Voltage Gain (Av): 11

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