Duct Fitting Loss Calculator May 2026

By accurately sizing fans, you prevent over-pressurizing the system, which wastes energy.

The diameter (round) or height and width (rectangular) of the duct. duct fitting loss calculator

Specifically identifying if it's a 90-degree elbow, a tee, or a reducing transition. Why You Should Use One By accurately sizing fans, you prevent over-pressurizing the

They calculate the pressure loss in inches of water gauge ("wg) or Pascals (Pa) for various round and rectangular fittings. By accurately sizing fans