Reciprocating Compressor Calculator

Calculate piston displacement, volumetric efficiency, capacity, and power for reciprocating gas compressors.

Piston bore diameter.
mm
Piston stroke length.
mm
Compressor rotational speed.
rpm
Inlet pressure (absolute).
kPa
Outlet pressure (absolute).
kPa
Clearance volume percentage. Typical: 5-15%.
%

Results

Displacement Volume-L/min
Volumetric Efficiency-%
Actual Capacity-L/min
Compression Ratio-
Adiabatic Power-kW
References: GPSA Engineering Data Book; API 618