How many foot of water in 1 PSIA? The answer is 2.3066587368787. We assume you are converting between foot of water [4 °C] and pound/square inch [absolute]. You can view more details on each measurement unit: foot of water or PSIA The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00033455256555148 foot 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 feet of water and pounds/square inch. Type in your own numbers in the form to convert the units!
1 foot of water to PSIA = 0.43353 PSIA
5 foot of water to PSIA = 2.16764 PSIA
10 foot of water to PSIA = 4.33528 PSIA
20 foot of water to PSIA = 8.67055 PSIA
30 foot of water to PSIA = 13.00583 PSIA
40 foot of water to PSIA = 17.3411 PSIA
50 foot of water to PSIA = 21.67638 PSIA
75 foot of water to PSIA = 32.51456 PSIA
100 foot of water to PSIA = 43.35275 PSIA
You can do the reverse unit conversion from PSIA to foot 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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