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standard atmosphere

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EntityQ177974· pop 66· linked from 486 articles

standard atmosphere

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Also known as atm, atmosphere

unit of pressure defined as 101325 Pa

AI overview

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.

Wikidata facts

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Wikidata SPARQL query equivalent
wd:Q177974 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
numeric value
101325
unit symbol
атм
conversion to SI unit
101325
measured physical quantity
pressure
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
conversion to standard unit
14.6959
Sources (3)

via Wikidata · CC0

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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.

History

Excerpted from Wikipedia’s “standard atmosphere” article, available under the CC BY-SA 4.0 licence.