How to calculate the cfm of an air compressor?


To calculate the cubic feet per minute,CFM, of an air compressor means to calculate the output of that compressor. Start by looking at the specifications of the tank on the compressor. The volume of air in the tank will be clearly listed. Uncompressed air volume is 7.48 gallons. Divide the volume of the tank by 7.48. Once all the air has been released, refill it and this time record the duration of the fill and the psi when the compressor starts and when it stops. Take the difference of the psi numbers from the time the compressor started and stopped. Divide this number by 7.48 and this will result in the volume gained in the time it took. Divide this number by the time in minutes, and you will have your cfm.
Q&A Related to "How to calculate the cfm of an air compressor?"
1. Determine the volume of your air compressor tank in gallons. This should be clearly marked on the tank itself by the manufacturer. 2. Divide the tank volume by 7.48 (7.48 equals
A Kaeser SK26 air compressor has 96 CFM and 100 PSI.
You don't need to know the volume of the tank. You start with the principle of conservation of energy. From the Wiki article:…. Energy
Flow rate times pressure divided by input will yield air compressor capacity. Input is another term for horsepower of the compressor. The pressure can be adjusted depending on how
1 Additional Answer Answer for: how to calculate the cfm of an air compressor
How to Calculate the CFM of an Air Compressor
CFM stands for cubic feet per minute. Oftentimes the true rate of an air compressor is misrepresented by manufacturers. Because of this, the only way to determine the real CFM of your air compressor is to test it yourself. Don't be fooled by false... More »
Difficulty: Moderate
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