Atmospheric Calculator

This calculator helps you compute key properties of earth's atmosphere and aerodynamic quantities on a reference body in metric and English unit systems.
Select unit system: 
English
Metric
Input
Altitude
Speed
Reference Length
Results
Temperature:
Density:
Pressure:
Speed of Sound:
Viscosity:
Mach Number:
Dynamic Pressure:
Critical Cp:
Vacuum Cp:
Reynolds Number:
Laminar Cf:
Turbulent Cf:
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