›› Convert millimeter mercury [0 C] to atmosphere [standard]

mm hg

Did you mean to convert mm hg to atmosphere [standard]
atmosphere [technical]

›› More information from the unit converter

How many mm hg in 1 atm? The answer is 759.99995199606.
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 0.0075006156130264 mm hg, or 9.8692316931427E-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.
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›› Definition: Millimeter mercury

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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