Calculator · Machines & tooling
Dust Collection CFM Calculator
The free Dust Collection CFM Calculator answers one question: Airflow and duct size per machine. Enter your numbers in inches or millimeters and the result updates instantly in your browser, with no sign-up and no app to install. Use it on your phone at the bench, then copy or print the result for your cut list.
Typical airflow each machine needs at the port. Size your collector for the largest machine running at once.
Dust Collection CFM
- Airflow needed
- 350 CFM
- Duct diameter
- 4″
- Static pressure loss (duct)
- ≈ 1.2″ water
Pro tools · unlock
Which other machines & tooling calculators help with this project?
- Router Bit Speed Calculator — Maximum safe RPM by bit diameter.
- Saw Blade Rim Speed Calculator — Tip speed of a saw blade or sanding disc.
- Lathe Speed Calculator — Safe turning RPM by blank diameter.
- Pulley Speed Calculator — Output RPM from motor speed and pulley sizes.
What you'll need for this project
Tools
Screws & hardware
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