Equilibrium Constant Calculator
Calculate the equilibrium constant (Keq) from product and reactant concentrations with stoichiometric coefficients. Includes Gibbs free energy.
Inputs
M
M
M
M
Results
Equilibrium Constant (Keq)
2.5
log₁₀(Keq)0.398
ΔG° at T-2.27 kJ/mol
Equilibrium PositionProduct-favored
How to Use This Calculator
- Enter product concentrations and coefficients, then reactant concentrations and coefficients.
- Review the equilibrium constant K (Kc) for the reaction.
- K >> 1 means products are favored at equilibrium; K << 1 means reactants are favored.
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Formula
Keq = [Products]^coef / [Reactants]^coefRelated Calculators
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