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

mm of mercury

Did you mean to convert mm of mercury to atmosphere [standard]
atmosphere [technical]

›› More information from the unit converter

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

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

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›› Common pressure conversions

mm of mercury to sthene/square meter
mm of mercury to newton/square millimeter
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mm of mercury to kilopond/square meter
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mm of mercury to microbar
mm of mercury to kilogram/square centimeter
mm of mercury to attopascal
mm of mercury to inch water

›› Definition: Millimeter of 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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