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How many atm in 1 mmHg?
The answer is 0.00131578955679.
We assume you are converting between atmosphere [standard] and millimeter of mercury [0 °C].
You can view more details on each measurement unit:
atm or mmHg
The SI derived unit for pressure is the pascal.
1 pascal is equal to 9.86923169314E-6 atm, or 0.00750061561303 mmHg.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between atmospheres and millimeters of mercury.
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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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