Definition:Millimetre of Mercury
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Definition
The millimetre of mercury is an metric unit of pressure.
It is defined as being:
- The amount of pressure generated by a column of mercury one millimetre high.
Conversion Factors
\(\ds \) | \(\) | \(\ds 1\) | millimetre of mercury | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 1 \cdotp 00000 \, 01424 \, 66321\) | torr | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 133 \cdotp 3\) | pascals |
Symbol
- $\mathrm {mm \, Hg}$
The symbol for the millimetre of mercury is $\mathrm {mm \, Hg}$.
The $\LaTeX$ code for \(\mathrm {mm \, Hg}\) is \mathrm {mm \, Hg}
.
Linguistic Note on Milli-
The prefix milli- derives from the Latin mille, which means one thousand.
Sources
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $2.$ Unit Conversion Factors