Calculator

Dust collector CFM calculator

Enter tool CFM and duct code. Get required airflow and a 537 / 800 / 1,100 / 1,550 CFM class or NO_MATCH.

Result

Enter values to begin.

Required = tool × duct. Worked check: 350 × 1.0 = 350 → 537 CFM class.

Guides

Limits and when to stop shopping this ladder.