Reynolds number Calculator

The Reynolds number is a dimensionless quantity used in fluid mechanics to predict flow patterns in different fluid flow situations. It’s calculated as the ratio of inertial forces to viscous forces within a fluid.

Where:

• $\rho$ is the density of the fluid,
• $v$ is the velocity of the fluid,
• $L$ is a characteristic length (e.g., diameter of a pipe),
• $\mu$ is the dynamic viscosity of the fluid.