Enter the pressure in Pascal and the area of the duct or opening into the calculator to determine the flow rate in Cubic Feet per Minute. This calculator can also evaluate any of the variables given the others are known.
Pa To Cfm Formula
The following formula is used to calculate the conversion from Pascal (Pa) to Cubic Feet per Minute (CFM).
CFM = (Pa * A) / 471.9474
Variables:
- CFM is the flow rate in Cubic Feet per Minute
- Pa is the pressure in Pascal
- A is the area of the duct or opening through which the air is flowing (square feet)
To calculate the CFM, multiply the pressure in Pascal by the area of the duct or opening. Then, divide the result by 471.9474, a constant that represents the conversion factor from Pascal to CFM.
What is Pa To Cfm?
Pa to CFM is a conversion from Pascal (Pa), a unit of pressure measurement, to Cubic Feet per Minute (CFM), a unit of flow rate measurement. This conversion is often used in various fields such as HVAC (heating, ventilation, and air conditioning) to determine the volume of air flow (in CFM) that can be moved or is required to maintain a certain pressure (in Pa). The conversion requires additional information such as the area of the duct or opening through which the air is flowing.
How to Calculate Pa To Cfm?
The following steps outline how to calculate the CFM (Cubic Feet per Minute) for a Pa to CFM conversion.
- First, determine the pressure in Pascal (Pa).
- Next, determine the area of the duct or opening through which the air is flowing (A) in square feet.
- Next, gather the formula from above = CFM = (Pa * A) / 471.9474.
- Finally, calculate the CFM (Cubic Feet per Minute).
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
Pressure (Pa) = 500
Area (A) = 10
