Knudsen Number Calculator

Knudsen Number Calculator

Calculate the Knudsen number using: $$ Kn = \frac{\lambda}{L} $$

* Enter the mean free path (λ) and the characteristic length (L) in meters.

Step 1: Enter Parameters

e.g., 0.0001 m

e.g., 0.01 m

Formula: $$ Kn = \frac{\lambda}{L} $$