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How many mm hg in 1 atm?
The answer is 759.999951996.
We assume you are converting between millimeter mercury [0 °C] and atmosphere [standard].
You can view more details on each measurement unit:
mm hg or atm
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00750061561303 mm hg, or 9.86923169314E-6 atm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimeters mercury and atmospheres.
Type in your own numbers in the form to convert the units!
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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