How many millimeter of water in 1 psia? The answer is 703.06957829636. We assume you are converting between millimeter of water [4 °C] and pound/square inch [absolute]. You can view more details on each measurement unit: millimeter of water or psia The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.10197162129779 millimeter of water, 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 water and pounds/square inch. Type in your own numbers in the form to convert the units!
1 millimeter of water to psia = 0.00142 psia
10 millimeter of water to psia = 0.01422 psia
50 millimeter of water to psia = 0.07112 psia
100 millimeter of water to psia = 0.14223 psia
200 millimeter of water to psia = 0.28447 psia
500 millimeter of water to psia = 0.71117 psia
1000 millimeter of water to psia = 1.42233 psia
You can do the reverse unit conversion from psia to millimeter of water, or enter any two units below:
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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