Category:Definitions/Standard Atmosphere

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This category contains definitions related to Standard Atmosphere.


The standard atmosphere is a unit of pressure.


It is defined as being:

The amount of pressure equal to exactly $101 \, 325$ pascals.


It is usually used to measure the pressure of a gas.

\(\ds \) \(\) \(\ds 1\) standard atmosphere
\(\ds \) \(=\) \(\ds 101 \, 325\) pascals (newtons per square metre)
\(\ds \) \(=\) \(\ds 1 \cdotp 01325 \times 10^6\) bayre (dynes per square centimetre)
\(\ds \) \(\approx\) \(\ds 760\) millimetres of mercury
\(\ds \) \(\approx\) \(\ds 76\) centimetre of mercury
\(\ds \) \(\approx\) \(\ds 14.70\) pounds per square inch
\(\ds \) \(\approx\) \(\ds 406 \cdotp 8\) inches of water