US Standard Atmosphere (1976) Calculator

Determine temperature, pressure, air density, speed of sound, and dynamic viscosity from sea level up to 86 km (282,000 ft) geopotential altitude.

Geopotential Altitude:

Altitude Units:

Common Flight Altitudes:

Ambient Temperature (T):

—

— °F

Static Air Pressure (P):

—

— psia

Air Density (ρ):

—

σ = — (relative to SL)

Speed of Sound (a):

—

— knots

Atmospheric Layer:

—

Dynamic Viscosity (μ):

—

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