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# PSI to CFM Calculator Online

The PSI to CFM Calculator is a tool designed to convert pressure (PSI) into airflow (CFM). This conversion is essential in industries that rely on compressed air, such as automotive repair, manufacturing, and construction. By using this calculator, you can ensure that your equipment operates within the required parameters, preventing damage and maintaining efficiency.

### Formula of PSI to CFM Calculator

The formula to convert PSI to CFM is:

Where:

• PSI: Pressure in pounds per square inch.
• Displacement: Volume displaced by the compressor per cycle in cubic feet.
• Efficiency: Efficiency of the compressor as a decimal.
• Atmospheric Pressure: Atmospheric pressure in PSI (typically 14.7 PSI at sea level).

### Conversion Table

Here is a handy table for general conversions between PSI and CFM for common scenarios:

This table helps you quickly reference common conversions without the need for manual calculation.

### Example of PSI to CFM Calculator

Let's go through an example to better understand how to use the formula. Suppose you have a compressor with the following specifications:

• PSI: 100
• Displacement: 2.0 cubic feet
• Efficiency: 0.90