Atmospheric Properties Calculator
Based on US Standard Atmosphere 1976
Version 1.0.4, released June 2004

NOTE: This version of the calculator has been replaced by Version 2.0. This older calculator remains available though Version 2.0 is more capable and accurate.

The Atmospheric Properties Calculator computes conditions of the atmosphere and aerodynamic quantities on a reference body in either English or Metric units. The calculator works up to an altitude of 230,000 ft (70,000 m).

Select unit system: English Metric

Inputs

Altitude
Speed
Reference Length

Results

Temperature
Density
Pressure
Speed of Sound
Viscosity
Kinematic Viscosity
Mach Number
True Dynamic Pressure
Compressible Dynamic Pressure
True Airspeed
Equivalent Airspeed
Critical Cp
Vacuum Cp
Reynolds Number
Re / Unit Length
Laminar Boundary
Layer Thickness
Laminar Displacement
Thickness
Laminar Cf
Turbulent Boundary
Layer Thickness
Turbulent Displacement
Thickness
Turbulent Cf








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