Enter the standard potential, temperature, ion charge, and reaction quotient into the calculator to determine the reduction potential.

## Nernst Equation

The following formula is used to calculate the reduction potential of a cell reaction.

E = E0 – (R*T)/(Z*f) * ln (Q)

- Where E is the reduction potential
- E0 is the standard potential
- R is the gas constant
- T is the temperature in kelvin
- z is the ion charge
- F is the Faraday constant
- Q is the reaction quotient

## Nernst Equation Definition

The Nernst equation is an equation that relates the reduction potential of an electrochemical reaction to the standard electrode potential, and conditions of the reaction.

## Example

How to calculate reduction potential?

**First, determine the standard potential.**Calculate the standard electrode potential.

**Next, determine the temperature.**Measure the temperature of the reaction in Kelvin.

**Next, determine the ion charge.**Calculate the total ion charge.

**Next, determine the reaction quotient.**Determine the reaction quotient.

**Finally, calculate the reduction potential.**Calculate the reduction potential using the equation above.

## FAQ

**What is a cell potential?**

A cell potential is a measure of the total electric potential of a electrochemical reaction.