Convert pound-force/square foot to pound/square inch


pound-force/square foot
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.

pound-force/square foot (relative to vacuum)
pound/square inch (relative to atmosphere)



Did you mean to convert pound-force/square foot
 to pound/square inch
pound/square inch [gauge]
pound/square inch [absolute]

More information from the unit converter

How many pound-force/square foot in 1 pound/square inch? The answer is 144.00000021899. We assume you are converting between pound-force/square foot and pound/square inch. You can view more details on each measurement unit: pound-force/square foot or pound/square inch The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.020885434304802 pound-force/square foot, 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 pounds-force/square foot and pounds/square inch. Type in your own numbers in the form to convert the units!



Quick conversion chart of pound-force/square foot to pound/square inch

1 pound-force/square foot to pound/square inch = 0.00694 pound/square inch

10 pound-force/square foot to pound/square inch = 0.06944 pound/square inch

50 pound-force/square foot to pound/square inch = 0.34722 pound/square inch

100 pound-force/square foot to pound/square inch = 0.69444 pound/square inch

200 pound-force/square foot to pound/square inch = 1.38889 pound/square inch

500 pound-force/square foot to pound/square inch = 3.47222 pound/square inch

1000 pound-force/square foot to pound/square inch = 6.94444 pound/square inch


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You can do the reverse unit conversion from pound/square inch to pound-force/square foot, 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!