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Copely Developments Ltd
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Air Flow Calculator

With our Air Flow calculator, it is possible to:

  • • Work out the velocity of air coming through a hose/tube.
  • • Work out the pressure loss of air going through a hose/tube, depending on the diameter and length.

To use this calculator, type in the values and it will automatically show the results below.

Our Air Flow Conversion tool is also available, should you need to convert common units of air velocity.

 

What would you like to calculate?

Flow Velocity of Air in Pipes

Pressure Loss of Air Through Pipes

Flow Velocity of Air in Pipes

Velocity of Air (ft/sec)

Pressure Loss of Air Through Pipes

Pressure Loss (ounces/in2)

Air Flow Equations for working out the velocity of air coming through a hose or tube and the pressure loss of the air going through these.

Velocity of Air in Feet per Second = √(25,000 * Loss of Pressure in Ounces per Square Inch * Inside Diameter of the Pipe in Inches) / Length of Pipe in Feet

Loss of Pressure in Ounces per Square Inch = (Length of Pipe in Feet * Velocity of Air in Feet per Second2) / 25,000 * Inside Diameter of the Pipe in Inches