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standard atmosphere
Sign in to saveAlso known as atm, atmosphere
unit of pressure defined as 101325 Pa
Standard atmosphere is a reference unit of air pressure equal to 101,325 pascals, which represents the average atmospheric pressure at sea level on Earth. Scientists and engineers use this standardized measurement as a baseline for comparing pressures and making calculations in fields like aviation, weather, and physics.
AI-generated from the Wikipedia summary — may contain errors.
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Encyclopedic overview
Aneroid barometer for household use from c. 1925 The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa. It is sometimes used as a reference pressure or standard pressure. It is approximately equal to Earth's average atmospheric pressure at sea level.
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Excerpted from Wikipedia’s “standard atmosphere” article, available under the CC BY-SA 4.0 licence.
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