How many millimeter of mercury in 1 psia? The answer is 51.714924102396. We assume you are converting between millimeter of mercury [0 °C] and pound/square inch [absolute]. You can view more details on each measurement unit: millimeter of mercury or psia The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0075006156130264 millimeter of mercury, or 0.00014503773800722 psia. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimeters of mercury and pounds/square inch. Type in your own numbers in the form to convert the units!
1 millimeter of mercury to psia = 0.01934 psia
10 millimeter of mercury to psia = 0.19337 psia
20 millimeter of mercury to psia = 0.38674 psia
30 millimeter of mercury to psia = 0.5801 psia
40 millimeter of mercury to psia = 0.77347 psia
50 millimeter of mercury to psia = 0.96684 psia
100 millimeter of mercury to psia = 1.93368 psia
200 millimeter of mercury to psia = 3.86736 psia
You can do the reverse unit conversion from psia to millimeter 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.
Pounds per square inch absolute (psia) is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure. Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level.
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