Use this chemistry calculator to reproduce a named relationship with explicit quantities and units for study, laboratory planning, or an independent numerical check.

Cell potential (V)

Cell potential in volts.

Electrons transferred

Electrons transferred per mole of reaction.

Moles of reaction (mol)

Moles of reaction; defaults to one mole.

Convert cell potential to Gibbs free energy via ΔG = −nFE with F = 96485 C/mol. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

ΔG (kJ)

Gibbs free energy change in kilojoules.

• Electrochemical relationships require consistent sign conventions, electron stoichiometry, electrode area, standard state, and temperature. Overpotential, internal resistance, mass transfer, side reactions, and non-unit activities are not automatically included.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check units and significant figures, compare the result with limiting cases, and use measured or source-specific constants where available. Laboratory, safety, and regulatory decisions require validated methods and appropriate uncertainty analysis.

• Cell Potential From Gibbs Calculator

  Convert Gibbs free energy change to cell potential via E° = −ΔG/(nF).

• Faraday Moles of Electrons Calculator

  Convert total electric charge into moles of electrons using Faraday's constant (96485 C/mol).

• Delta G From K

  Compute Gibbs free energy change in kJ per mole from the equilibrium constant as -R times T times ln(K).