Gibbs Free Energy Calculator

Calculate Gibbs free energy using ΔG = ΔH - TΔS. Find ΔG, ΔH, ΔS, temperature (T), or equilibrium constant (K). Features energy units (J, kJ, cal, kcal), entropy units (J/K, kJ/K, cal/K, kcal/K), temperature units (K, °C), spontaneity prediction (spontaneous/non-spontaneous/equilibrium), and common thermodynamic examples (water freezing/boiling, methane combustion). Perfect for chemistry students.