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Excel tool

Liquid Properties Calculator

Pick a liquid or a blend, enter T and P, and every property appears.

543 chemicals in one alphabetical list, or a liquid mixture: density, cp, viscosity, conductivity, surface tension, vapour pressure, latent heat, heating values and hazard data at any T and P.

USD 49

FormatExcel workbook (.xlsx), no macros
Versionv1.0
Works inExcel 2010 or later, Windows and Mac
UnitsSI, US and British, mixed freely
IncludesGuide tab with method and references, calculator, print-ready report
Checked against20 states against reference equations of state: median deviation 0.02 % for density, 0.3 % for cp, 0.6 % for viscosity.

Single-user licence. Team and site licences: see options. Instant download after payment; you also get updates to this major version.

Liquid Properties Calculator — sample pages

What it does

543 chemicals, A to Z

The same library as the Gas Properties Calculator, with liquid property curves for each chemical.

Pressure corrections

Compressed-liquid density, and pressure corrections for viscosity and thermal conductivity.

All the liquid properties

Density, cp, viscosity, thermal conductivity, surface tension, vapour pressure, latent heat, expansion and compressibility.

Liquid mixtures

Ideal-solution mixing rules, bubble point and mixture flash point.

Your own data

Enter a measured density or viscosity and the tool corrects the curve through your point.

Heating values and hazards

HHV and LHV of the liquid, NFPA 704 ratings, GHS statements and flash point.

Built for engineers

  • Open, citable data — reference equations of state, NIST, IUPAC and other published sources; no values copied from handbooks.
  • Data class on every chemical — A (reference) to D (indicative), shown next to the result.
  • Published methods — Aalto, Lucas, Missenard, Grunberg–Nissan and others, each cited in the Guide tab.
  • Built-in checks — warns when the liquid would boil, near the critical point and outside each chemical's data range.

For engineering estimates; verify against site data. Code-based methods are aligned with the publicly documented procedure; they are not a licensed reproduction or a certification.