https://en.wikipedia.org/wiki/Atmosphere_(unit)

The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar). It is sometimes used as a reference or standard pressure.

https://en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure (after the sensor), is the ... The standard atmosphere (symbol: atm) is a unit of pressure defined as 1013.25 mbar (101325 Pa), equivalent to 760 mm Hg (torr), 29.9212 inches ...

https://www.britannica.com/science/standard-atmosphere-unit-of-measurement

Standard atmosphere, unit of pressure, equal to the mean atmospheric pressure at sea level. It corresponds to the pressure exerted by a vertical column of ...

https://www.engineeringtoolbox.com/standard-atmosphere-d_604.html

Properties of US standard atmosphere ranging -5000 to 250000 ft altitude. ... U.S. Standard Atmosphere Air Properties - Imperial (BG) Units ...

https://www.sensorsone.com/atm-standard-atmosphere-pressure-unit/

Standard Atmosphere is mainly used as a reference value for the average atmospheric pressure at sea level. It is often used to indicate the depth rating for a ...

http://glossary.ametsoc.org/wiki/Standard_atmosphere

Apr 25, 2012 ... The current standard atmosphere is that adopted in 1976 and is a slight ... A standard unit of atmospheric pressure, the 45° atmosphere, ...

http://www.unitconversion.org/pressure/standard-atmosphere-conversion.html

perform conversions between Standard atmosphere and other pressure units.

https://www.sciencedirect.com/topics/engineering/atmosphere-standard

Atmospheric Pressure. The standard atmosphere (atm) is defined as 101,325 Pa. A similar unit, the bar, is 100,000 Pa. Since these differ by only about 1% they ...

https://units.fandom.com/wiki/Atmosphere

The standard atmosphere (symbol: atm) is an international reference pressure defined as 101325 Pa and formerly used as a unit of pressure. For practical ...

https://courses.lumenlearning.com/cheminter/chapter/pressure-units-and-conversions/

One unit of gas pressure is the millimeter of mercury (mmHg). ... Standard atmospheric pressure is called 1 atm of pressure and is equal to 760 mmHg and 101.3 ...