TinnerFlow™CFM / Velocity / Duct Area
Enter rectangular duct width and height, then provide either CFM or velocity. This is a field sanity check—not duct sizing approval.
Enter width, height, and either CFM or velocity.
Use the approved design, TAB data, pressure class, diffuser selection, and project requirements for final decisions.
What this tool does
- Calculates rectangular duct face area.
- Calculates velocity when CFM is known.
- Calculates CFM when velocity is known.