Knudsen Number Calculator Created By : Naaz Fatima Reviewed By : Rajashekhar Valipishetty Last Updated : Apr 10, 2023 Choose a Calculation Find Knudsen number Find Characteristic linear dimension Find Mean free path Mean free path: meter (m) millimeter (mm) centimeter (cm) kilometer (km) inches (in) feet (ft) yard (yd) miles (mi) nautical miles (nmi) Characteristic linear dimension: meter (m) millimeter (mm) centimeter (cm) kilometer (km) inches (in) feet (ft) yard (yd) miles (mi) nautical miles (nmi) Calculate Reset