›› Convert inch of water column to pound/square inch


inch water column
pound/square inch

The above form works if you are measuring differential pressure, such as the difference in psi between two points. It also gives the correct answer for absolute pressure, assuming you are measuring psia, which is the pressure relative to absolute zero vacuum.

If you are measuring relative to vacuum and want to resolve the pressure relative to the atmosphere, then you should use the form below.

inch water column (relative to vacuum)
pound/square inch (relative to atmosphere)

Did you mean to convert inch water column to pound/square inch
pound/square inch [gauge]
pound/square inch [absolute]


›› More information from the unit converter

How many inch water column in 1 pound/square inch? The answer is 27.679904842545.
We assume you are converting between inch of water column and pound/square inch.
You can view more details on each measurement unit:
inch water column or pound/square inch
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0040146307866177 inch water column, or 0.00014503773800722 pound/square inch.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches water column and pounds/square inch.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of inch water column to pound/square inch

1 inch water column to pound/square inch = 0.03613 pound/square inch

10 inch water column to pound/square inch = 0.36127 pound/square inch

20 inch water column to pound/square inch = 0.72255 pound/square inch

30 inch water column to pound/square inch = 1.08382 pound/square inch

40 inch water column to pound/square inch = 1.44509 pound/square inch

50 inch water column to pound/square inch = 1.80636 pound/square inch

100 inch water column to pound/square inch = 3.61273 pound/square inch

200 inch water column to pound/square inch = 7.22546 pound/square inch



›› Want other units?

You can do the reverse unit conversion from pound/square inch to inch water column, or enter any two units below:

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›› Common pressure conversions

inch water column to terabar
inch water column to centimeter mercury
inch water column to femtopascal
inch water column to micron mercury
inch water column to zeptobar
inch water column to newton/square meter
inch water column to millihg
inch water column to millimeter of water
inch water column to femtobar
inch water column to zeptopascal


›› Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) 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.


›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!