Diffusion Coefficient Calculator
Calculate diffusion coefficients for gases and liquids using Stokes-Einstein, Chapman-Enskog, and Wilke-Chang equations with temperature dependence.
Free Gas Laws Calculators
3 toolsPartial pressure, diffusion, and gas behavior calculators. Browse our free gas laws tools below — no sign-up required.
Graham's Law of Diffusion Calculator
Calculate relative diffusion and effusion rates of gases using Graham's law with molecular weight comparisons, isotope separation, and gas identification.
Partial Pressure Calculator
Calculate partial pressures of gases in mixtures using Dalton's law, mole fractions, vapor pressure corrections, and real gas adjustments.