Altitude Converter Stated Altitude (m) Atmospheric Pressure (Bar A) 0.72 Atmospheric Pressure (psi A) 10.47 This calculator uses the International Standard Atmosphere (ISA) model to estimate atmospheric pressure at a given altitude above sea level. Other Calculators Energy Recovery Savings Calculator Compressor Load, Duty & Cost Calculator Water in Air Calculator Flow Converter Mass Flow Converter Flow Rate Converter Air Compressor Performance Calculator