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Air Flow Conversion Calculator
Air Velocity is measurement of the rate of displacement of air or gas at a specific location.

Air velocity (distance traveled per unit of time) is usually expressed in Linear Feet per Minute (LFM). By multiplying air velocity by the cross section area of a duct, you can determine the air volume flowing past a point in the duct per unit of time. Volume flow is usually measured in Cubic Feet per Minute (CFM).

Concept of Air Velocity can be used in air conditioning, heating and ventilating work.

Enter value, select unit and click on calculate. Result will be displayed.
 
Enter Your Values:
Air Flow:
Rectangle Duct
H: W:   
Circular Duct
R:        
Results:
ft/min (LFM)
m/s
miles/hr (MPH)
ft3/min (CFM)
m3/hr
L/s