Convert water column [inch] to pound/square inch


water column [inch]
lb/in^2

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.

water column [inch] (relative to vacuum)
lb/in^2 (relative to atmosphere)



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

More information from the unit converter

How many water column [inch] in 1 lb/in^2? The answer is 27.679904842545. We assume you are converting between water column [inch] and pound/square inch. You can view more details on each measurement unit: water column [inch] or lb/in^2 The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0040146307866177 water column [inch], or 0.00014503773800722 lb/in^2. 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. Type in your own numbers in the form to convert the units!



Quick conversion chart of water column [inch] to lb/in^2

1 water column [inch] to lb/in^2 = 0.03613 lb/in^2

10 water column [inch] to lb/in^2 = 0.36127 lb/in^2

20 water column [inch] to lb/in^2 = 0.72255 lb/in^2

30 water column [inch] to lb/in^2 = 1.08382 lb/in^2

40 water column [inch] to lb/in^2 = 1.44509 lb/in^2

50 water column [inch] to lb/in^2 = 1.80636 lb/in^2

100 water column [inch] to lb/in^2 = 3.61273 lb/in^2

200 water column [inch] to lb/in^2 = 7.22546 lb/in^2


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You can do the reverse unit conversion from lb/in^2 to water column [inch], or enter any two units below:

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Common pressure conversions


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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!