Q:
# How do you calculate the CFM of an air compressor?

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### Quick Answer

To calculate the CFM (Cubic Feet per Meter) of an air compressor is the same as calculating the output of the compressor. Calculating CFM begins with looking at the specifications of the compressor to find the volume of the tank. The next step is checking technical specifications of the sheet to find out the pounds per square inch (PSI). Calculating the PSI is followed by getting the compressorâ€™s CFM.

Know MoreThe first step after getting the cubic feet volume of the air compressor is to convert its value from gallons to cubic feet by dividing it by 7.48. The second step is calculating the PSI and converting its value to ATM (Atmospheres). This conversion is done by dividing the technical specification value of the air compressor by 14.7. After obtaining the cycle minute value of the air compressor, the figure is divided by 60 to convert it from seconds to minutes. The conversion of the cycle units is followed by calculation of the true CFM. To get the true CFM one multiplies the three figures: the cubic feet volume of the air compressor by the atmospheres of the air compressor by the cycle minute value of the compressor. One must perform these calculations on all air compressors to find the actual CFM air rate of all units. From these calculations, it is possible to differentiate the sizes of air compressors before buying one.

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Q:
## What is the difference between CFM and SCFM?

A:CFM, or cubic feet per minute, denotes the unit of compressed airflow for air conditioning units. SCFM stands for standard cubic feet per minute, a measurement that takes into account standard conditions. Cubic feet per minute indicates how much air flows through air conditioning as the machinery pushes air through ducts of a building. An air conditioner produces roughly 400 cubic feet per minute per ton of cooling capacity.

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Q:
## Where do you buy compressor parts?

A:Parts for an air compressor can be purchased online and in-store from such retail outlets as The Home Depot. Additionally, Sears PartsDirect sells compressor parts both online and in physical store locations. Compressor parts are also available on resale sites such as eBay, but inventory changes frequently.

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Q:
## How do you convert BTU to CFM?

A:To convert Btu per hour to CFM per minute, take the energy transfer rate in Btu and divide it by 100,000. Multiply the result by 96.7. Divide that result by 60 to devise the gas transfer rate in cubic feet per minute.

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Q:
## How can I convert SCFM to CFM?

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Full Answer >**Converting from SCFM to CFM is done by dividing the SCFM by the ratio of the actual pressure and atmospheric pressure multiplied by the ratio of standard room temperature and the actual temperature.**This relationship is derived from the ideal gas law, which uses the absolute pressure reading and the absolute temperature scale.Filed Under: