1 psi=how many ins. water column?
2.31 feet high is equivalent to 1 pound per square inch (PSI) of pressure which equates to 27.72 inches of water per pis
dunno..wat i know is 1 psi = 2.03602 inches of mercury
approximately 27.7 inches of Water column per psi
1 PSI = 27.680 in H20 @ 4° C (inches in water)
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