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Online calculator to quickly determine Air Flow Rate through Piping. Includes 53 different calculations. Equations displayed for easy reference.
To choose the correct diameter of pipe for your system, you need to know how much flow rate (CFM) will travel through the pipe and how long your piping will be.
Free online Flow Rate calculator which helps you calculate the flow rate of any pipe given its diameter and liquid/gas velocity or its height and width (for a rectangular pipe) and velocity. Calculate flow rate from pressure.
This flow rate calculator uses flow velocity and cross-sectional flow area data to determine the volumetric flow rate of liquid. You can calculate the flow rate in five simple steps: Select the shape of the cross-section of the channel.
Try out our online airflow rate calculator that allows you to calculate the airflow velocity and airflow rate in a pipe or duct, as well as learn the formulas.
7 sie 2002 · If you just want a typical capacity, you can assume that the air will be moving at a maximum velocity of about 3,000 ft/min. Calculate the pipe cross sectional area in ft2 and multiply by the velocity, that will give you cfm at the flowing pressure and temperature.
To calculate airflow in CFM (cubic feet per minute) you’ll need the volume of airflow or air velocity, the duct type or area, and the units you're using to measure. Then hit “calculate”, and our air flow rate calculator will do the rest.
