Gas Compression Calculator
Calculate compressor horsepower from pressure and flow requirements.
Inputs
psi
psi
Mcf/day
°F
%
Results
Required Horsepower
58,651 HP
Compression Ratio
20:1
Number of Stages3
Ratio per Stage2.71:1
Discharge Temperature212 °F
How to Use This Calculator
- Enter inlet pressure (psia), outlet pressure (psia), inlet temperature (°F), and gas flow rate (MMscfd).
- Enter gas specific gravity and polytropic efficiency (%).
- Read required horsepower (HP) and compression ratio.
- Review horsepower per MMscfd to compare with vendor sizing sheets.
- Check discharge temperature (°F) — excessive discharge temperatures require intercooling.
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