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How many Water Column in 1 psi?
The answer is 703.069578296.

We assume you are converting between **water column [millimeter]** and **pound/square inch**.

You can view more details on each measurement unit:

Water Column or
psi

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

1 pascal is equal to 0.101971621298 Water Column, or 0.000145037738007 psi.

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

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

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You can do the reverse unit conversion from psi to Water Column, or enter any two units below:

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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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