Convert ounce/square inch to pound/square inch


ounce/square 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.

ounce/square inch (relative to vacuum)
lb/in^2 (relative to atmosphere)



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

More information from the unit converter

How many ounce/square inch in 1 lb/in^2? The answer is 16. We assume you are converting between ounce/square inch and pound/square inch. You can view more details on each measurement unit: ounce/square inch or lb/in^2 The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.0023206038081155 ounce/square 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 ounces/square inch and pounds/square inch. Type in your own numbers in the form to convert the units!



Quick conversion chart of ounce/square inch to lb/in^2

1 ounce/square inch to lb/in^2 = 0.0625 lb/in^2

10 ounce/square inch to lb/in^2 = 0.625 lb/in^2

20 ounce/square inch to lb/in^2 = 1.25 lb/in^2

30 ounce/square inch to lb/in^2 = 1.875 lb/in^2

40 ounce/square inch to lb/in^2 = 2.5 lb/in^2

50 ounce/square inch to lb/in^2 = 3.125 lb/in^2

100 ounce/square inch to lb/in^2 = 6.25 lb/in^2

200 ounce/square inch to lb/in^2 = 12.5 lb/in^2


Want other units?

You can do the reverse unit conversion from lb/in^2 to ounce/square 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!