How many ft H2O in 1 psi?
The answer is 2.30665873688.

We assume you are converting between **foot water [4 °C]** and **pound/square inch**.

You can view more details on each measurement unit:

ft H2O or
psi

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.000334552565551 ft H2O, or 0.000145037738007 psi.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between feet water and pounds/square inch.

Type in your own numbers in the form to convert the units!

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/inē or lbf/inē) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

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