The unit "millimeter of mercury [0 °C]" is a common misspelling for millimeter of mercury [0 °C].
Full name: millimeter of mercury [0 °C]
Plural form: millimeters of mercury
Symbol: mmHg
Alternate spelling: mm of mercury
Category type: pressure
Scale factor: 133.32239
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00750061561303 millimeter of mercury [0 °C].
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The torr (symbol: Torr) or millimetre of mercury (mmHg) is a non-SI unit of pressure. It is the atmospheric pressure that supports a column of mercury 1 millimetre high. The unit is named after Evangelista Torricelli, Italian physicist and mathematician, for his discovery of the principle of the barometer in 1643.
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