basic

Half-Cell Potential with Nernst Equation Calculator

E = E° − (RT/nF)·ln Q — actual electrode potential.

Calculates the actual electrode potential E = E° − (0.05916/n)·log₁₀(Q) at 298 K using the Nernst equation, given the reaction quotient Q and number of electrons n.

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

Inputs

V
K

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° − (0.05916/n) · log Q

In depth

Calculates the actual electrode potential E = E° − (0.05916/n)·log₁₀(Q) at 298 K using the Nernst equation, given the reaction quotient Q and number of electrons n.