Absolute or dynamic viscosity is used to calculate Reynolds Number to determine if a fluid flow is laminar, transient or turbulent.

Tabulated values and viscosity units conversion are given below the figures.

Online Air Viscosity Calculator The calculator below can be used to calculate air dynamic or kinematic viscosity at given temperatures and atmospheric pressure.

The output dynamic viscosity is given as Pas, Nsm 2, cP, mPas, lb f sft 2 and lb m (fth), while the kinematic viscosity is given as cSt, m 2 s, and ft 2 s Note Temperature must be within the ranges -100 - 1600 C, -150 - 2900 F, 175 - 1900 K and 310-3400 R to get valid values.

Temperature Choose the actual unit of temperature: C F K R See also other properties of Air at varying temperature and pressure: Density and specific weight at varying temperature, Density at varying pressure, Diffusion Coefficients for Gases in Air, Prandtl Number, Specific heat at varying temperature and Specific heat at varying pressure, Thermal Conductivity, Thermal Diffusivity, Properties at gas-liquid equilibrium conditions and Air thermophysical properties at standard conditions and Composition and molecular weight, as well as dynamic and kinematic viscosity of ammonia, benzene, butane, carbon dioxide, ethane, ethanol, ethylene, methane, methanol, nitrogen, oxygen, propane and water.

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Viscosity Of Air