- Compression Ratio Calculator
Pneumatic System Compression Ratio Calculator
Easily determine the true compression ratio of your air compressor or pneumatic system. This tool automatically converts gauge pressure to absolute pressure for accurate diagnostics and system evaluation.
Pressure Settings
Discharge (Target) Pressure
Inlet (Source) Pressure
Compression Ratio (CR)
Ratio Result
Absolute Ratio
0.00
: 1
Based on absolute pressures
Absolute Pressures Used
Internal Calculation
Discharge (P_out)
0.00
bara
Inlet (P_in)
0.00
bara
Engineering Reference
Compression Ratio Formula
CR = P_discharge / P_inlet
Absolute Pressure
P_abs = P_gauge + P_atm
- Note: CR must always be calculated using Absolute Pressure.
- Standard P_atm (bar) = 1.013 bar
- Standard P_atm (psi) = 14.696 psi