basic

Nernst Equation Cell Potential Calculator

E = E° − (RT/nF)·ln Q — actual cell voltage from concentrations.

Computes the non-standard electrochemical cell potential using the Nernst equation at a given temperature and reaction quotient.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

E = E° − (0.02569/n) × ln Q (at 25 °C)

In depth

Computes the non-standard electrochemical cell potential using the Nernst equation at a given temperature and reaction quotient.