Duct Sizing Tool
jerinsantosh.com
Tick the two values you know; the other two are worked out.
L/s
Pa/m
m/s
mm
Duct size
mm
mm
Height is sized to the equivalent diameter; type your own to check a duct.
Duct 300 × 350 mm
- Equivalent diameter
- – mm
- Flow area
- – m²
- Fluid velocity
- – m/s
- Reynolds number
- –
- Friction factor
- –
- Velocity pressure
- – Pa
- Head loss
- – Pa/m
Velocity, Re and head loss are for the equivalent round duct (Huebscher).