How many mm of mercury in 1 atm?
The answer is 759.99995199606.
We assume you are converting between millimeter of mercury [0 °C] and atmosphere [standard].
You can view more details on each measurement unit: mm of mercury or
atm
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0075006156130264 mm of mercury, 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 of mercury and atmospheres.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of mm of mercury to atm

1 mm of mercury to atm = 0.00132 atm

10 mm of mercury to atm = 0.01316 atm

50 mm of mercury to atm = 0.06579 atm

100 mm of mercury to atm = 0.13158 atm

200 mm of mercury to atm = 0.26316 atm

500 mm of mercury to atm = 0.65789 atm

1000 mm of mercury to atm = 1.31579 atm

››Want other units?

You can do the reverse unit conversion from
atm to mm of mercury, or enter any two units below:

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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