CFM Calculator: Measure Airflow Rate in Cubic Feet per Minute
Calculate airflow in Cubic Feet per Minute (CFM) based on air velocity and duct dimensions for HVAC systems and ventilation design.
CFM Calculator
Calculate Cubic Feet per Minute (CFM) of airflow based on duct dimensions and air velocity.
12" × 12"
Rectangular Duct
Result
0.00 CFM
Copy
Calculation Formula
CFM = Air Velocity (FPM) × Area (sq ft)
CFM = 1000 × (1 × 1)
CFM = 1000 × 1.0000
CFM = 0.00
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Documentation
CFM Calculator
Calculate Cubic Feet per Minute (CFM) of airflow based on duct dimensions and air velocity. This tool helps HVAC professionals and engineers determine the airflow rate in rectangular or round ductwork systems.
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