Compression Ratio to PSI Calculator

Idealized polytropic compression; not actual engine cranking pressure or diagnosis.

Your workbenchInputs are not stored

Result

Enter your values and run the tool to see your result.

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Final absolute pressurepressure*ratio^exponent

Pressure risepressure*(ratio^exponent-1)