Free engineering tools

Free CFD Calculators

Quick, accurate calculators from our CFD engineers for setting up simulations and checking hand calculations, with live results, SI and imperial units and every formula shown.

y+ CalculatorThe first cell height for your boundary layer mesh, with the wall shear stress, friction velocity and the inflation layers you need, for Fluent, STAR-CCM+, OpenFOAM and CFX.First cell heightInflation layersPipe and external flowOpen the calculator Reynolds Number CalculatorRe for pipes, ducts, flat plates, cylinders and spheres, with the laminar, transitional or turbulent regime and the speed or distance where the flow changes.Flow regimeHydraulic diameterAir and water propertiesOpen the calculator

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Our engineers run complete CFD and FEA studies, from meshing and solving to a clear report of the results.

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