Thermophysical Fluid Properties Database — ThermoFluidCalc
💧 Thermophysical Properties Engine

Dry Air Thermophysical Properties

Calculates density, specific heat, thermal conductivity, dynamic and kinematic viscosity, and Prandtl number as a function of temperature.

-50 °C 600 °C
Pa (1 atm)

⚡ Calculated Thermophysical Properties

Density ($\rho$)
1.2041
kg/m³
Specific Heat ($c_p$)
1006.4
J/(kg·K) • 1.006 kJ/(kg·K)
Thermal Conductivity ($k$)
0.02570
W/(m·K)
Dynamic Viscosity ($\mu$)
1.825e-5
Pa·s • 0.01825 cP
Kinematic Viscosity ($\nu$)
1.516e-5
m²/s • 15.16 cSt
Prandtl Number ($Pr$)
0.714
dimensionless ($c_p\mu / k$)
Thermal Diffusivity ($\alpha$)
2.121e-5
m²/s ($k / \rho c_p$)
Speed of Sound ($a$)
343.2
m/s ($\sqrt{\gamma R T}$)

📈 Property Temperature Curve