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US Standard Atmosphere (1976) Calculator engineering
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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.

Altitude Input & Units

Atmospheric State & Air Properties

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):
—

Frequently Asked Questions