How many inch of water in 1 psia? The answer is 27.679904842545. We assume you are converting between inch of water [4 °C] and pound/square inch [absolute]. You can view more details on each measurement unit: inch of water or psia The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 inch 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 inches of water and pounds/square inch. Type in your own numbers in the form to convert the units!
1 inch of water to psia = 0.03613 psia
10 inch of water to psia = 0.36127 psia
20 inch of water to psia = 0.72255 psia
30 inch of water to psia = 1.08382 psia
40 inch of water to psia = 1.44509 psia
50 inch of water to psia = 1.80636 psia
100 inch of water to psia = 3.61273 psia
200 inch of water to psia = 7.22546 psia
You can do the reverse unit conversion from psia to inch 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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