Duct Sizer

Mode
Flow rate
Shape
Autosize to
Step (mm)
Parameters
Air density1.2041 kg/m³Viscosity1.51e-5 m²/sRoughness (galv.)7.50e-5 mMax velocity1.5 m/s · final runMax Δp1 Pa/m

Enter a flow rate to size the duct

Candidate sizes are checked against your velocity and pressure-drop limits as you type.