Ducting Calculators and Air Volume Converter

Nordfab can offer technical assistance with determining whether our ducting is best for your application and with designing duct installations.

Please contact us with your requirements.

Input CFM Input Velocity (FPM) Ideal Round Duct Diameter Duct Friction in Straight Duct

Input Rectangle Duct Width (in.) Input Rectangle Duct Depth (in.)
Round Duct Diameter for Equivalent Pressure Loss at Standard Conditions

Input CFM m³/h

Input m³/h CFM

Get a 3D installation design & cost estimate for the duct you need in your facility