Prandtl Number Calculator

The Prandtl number ($Pr$) is a dimensionless parameter that characterizes the relative importance of molecular diffusion to heat conduction in a fluid. It is widely used in fluid dynamics and heat transfer analyses.

• $Pr$ is the Prandtl number,
• $\mu$ is the dynamic viscosity of the fluid,
• cp​ is the specific heat at constant pressure,
• $k$ is the thermal conductivity of the fluid.