Atmospheric Layer Calculator

Calculate temperature, pressure, and density at altitude using the International Standard Atmosphere model.

Atmospheric Layer
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Temperature
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Pressure
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Density
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Temp (°F)
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Pressure (inHg)
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Lapse Rate
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Atmospheric Layers (ISA)

Troposphere: 0-36,089 ft (0-11 km) - Weather occurs here
Tropopause: 36,089 ft (11 km) - Temperature minimum
Stratosphere: 36,089-65,617 ft (11-20 km) - Ozone layer
Upper Stratosphere: 65,617-104,987 ft (20-32 km)
Mesosphere: 104,987-164,042 ft (32-50 km)

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