Changes

English units used for air pressure include:

English units used for air pressure include:

*pounds per square inch

*pounds per square inch (PSI)

*inches of of mercury

*inches of mercury

==See also==

==See also==

*[[blood pressure]] - measured in millimeters of mercury

*[[blood pressure]] - measured in millimeters of mercury

The term ''atmosphere'' has sometimes been used by [[Chemistry|Chemists]] and [[Physics|Physicists]] as a unit of [[pressure]]. Example: one atmosphere of pressure is the pressure exerted on objects by the atmospheric [[gas]]ses, [[air]] (principally 21% [[oxygen]] and 79% [[nitrogen]]), at sea level of approximately 14.7 pounds per inch square.

The term ''atmosphere'' has sometimes been used by [[Chemistry|Chemists]] and [[Physics|Physicists]] as a unit of [[pressure]]. Example: one atmosphere of pressure is the pressure exerted on objects by the atmospheric [[gas]]ses, [[air]] (principally 21% [[oxygen]] and 79% [[nitrogen]]), at sea level of approximately 14.7 pounds per square inch.

==References==

==References==

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[[category:physics]]

[[category:physics]]