Ductulator - Duct Sizing

• Get a range of suitable duct sizes based on friction rate or velocity.

• Get multiple valid duct dimensions instantly.

• Tap on Friction Rate or Velocity to toggle between calculation methods.

• IP and SI units.

• Detailed sizing mode to adjust the duct dimensions and air flow rates.

• Supports rectangular, circular and flexible ducts.

• Automatic friction and velocity updates.

Calculations are based on standard air 0.075 lb/ft3 (1.2 kg/m3) in clean galvanized steel or non-metallic flexible ducts.

Any feedback is welcome, and will be the basis for future updates.