Atmospheric Calculator Free

Version 1.3
Update Time November 20, 2025
Category Utility Tools
Size 1.2MB

About this app

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Standard atmosphere properties calculator - get pressure, temperature, density, viscosity and sound speed. Airspeed converter - convert between TAS, CAS and Mach number. Calculate geometric altitude out of pressure altitude for standard and off standard day's temperature profile. A constant temperature shift is assumed. Free version is limited to 5 calculations in a row.

The software can be used for planning of flights up to 60kft, Mach 3 and ISA +/-30 degrees.

What's New in the Latest Version 1.3

Last updated on Oct 17, 2015 Ver 1.0 Initial version.
Ver 1.1 Added Density altitude, Decimal formatted output.
Ver 1.2 Added ISA Deviation output, Corrected Decimal comma.
Ver 1.3 French locale.

Screenshots