Is this Gibbs Free Energy Calculator free to use?

Yes, Gibbs Free Energy Calculator is 100% free to use online with no installation or account required.

How do I use the Gibbs Free Energy Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

Gibbs Free Energy Calculator — Free Online Tool

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Calculate ΔG and reaction spontaneity

Note: ΔG = ΔH − TΔS. ΔG < 0 indicates a spontaneous process at constant T and P.

Thermodynamic Values

ΔH (kJ/mol)

ΔS (J/mol·K)

Temperature (K)

⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.