Atmospheres
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Abbreviation / Acronym
atm
Classification
Definition
A unit of pressure measurement
When talking about pumps and pressure, the term “atmospheres” is a common unit of measure. It is based on atmospheric pressure at sea level.
An atmosphere (atm) is equivalent to around 14.7 pounds per square inch (PSI).
Atm x 14.7 = PSI
PSI / 14.7 = atm