Gibbs Free Energy Calculator - Predict Spontaneity

Calculate Gibbs Free Energy (ΔG) instantly to determine reaction spontaneity. Enter enthalpy, temperature, and entropy for accurate thermodynamic predictions.

Gibbs Free Energy Calculator

ΔG = ΔH - TΔS

Where ΔG is Gibbs free energy, ΔH is enthalpy, T is temperature, and ΔS is entropy

kJ/mol
K
kJ/(mol·K)
Results are calculated automatically as you enter values
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