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Physical Chemistry Calculators — Chemistry

Gas behaviour and transport properties: the ideal gas law, Antoine vapour pressure, heat capacity ratio, diffusion coefficients, and effusion rates. Antoine coefficients are substance and temperature-range specific, so use the set that covers your conditions.

All Physical Chemistry Calculators

About Physical Chemistry Calculators

Gas behaviour and transport properties: the ideal gas law, Antoine vapour pressure, heat capacity ratio, diffusion coefficients, and effusion rates. Antoine coefficients are substance and temperature-range specific, so use the set that covers your conditions.

Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common physical chemistry scenarios. All results are computed in your browser — no data is sent to any server.

What You Can Calculate

This section includes 8 tools: Antoine Equation Vapor Pressure Calculator, Diffusion Coefficient Calculator, Heat Capacity Ratio Calculator, Ideal Gas Law Calculator, Rate of Effusion Calculator, STP Calculator, Thermal Expansion Calculator, Young Laplace Equation Calculator. Each calculator is free to use with no signup required.