Atmospheres

Atmospheres

Glossary Right Side Image
View of Earth's atmosphere from space
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