Symbols:A/Standard Atmosphere/atm
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Standard Atmosphere
- $\mathrm {atm}$
The standard atmosphere is a unit of pressure.
It is defined as being:
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 |
The usual symbol used on $\mathsf{Pr} \infty \mathsf{fWiki}$ to denote the standard atmosphere is $\mathrm {atm}$.
The $\LaTeX$ code for \(\mathrm {atm}\) is \mathrm {atm} .
Also denoted as
Int atm
- $\mathrm {Int \, atm}$
A variant symbol used to denote the standard atmosphere is $\mathrm {Int \, atm}$.
This reflects its variant name of international atmosphere.
The $\LaTeX$ code for \(\mathrm {Int \, atm}\) is \mathrm {Int \, atm} .
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): atmosphere
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): atmosphere