Convert pound/square inch to inch of air [15 °C]


pound/square inch
inch of air [15 °C]

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/square inch (relative to atmosphere)
inch of air [15 °C] (relative to vacuum)



Did you mean to convert pound/square inch
pound/square inch [gauge]
pound/square inch [absolute]
 to inch of air [0 °C]
inch of air [15 °C]

More information from the unit converter

How many pound/square inch in 1 inch of air [15 °C]? The answer is 4.4264225595287E-5. We assume you are converting between pound/square inch and inch of air [15 °C]. You can view more details on each measurement unit: pound/square inch or inch of air [15 °C] The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00014503773800722 pound/square inch, or 3.2766356138999 inch of air [15 °C]. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between pounds/square inch and inches of air. Type in your own numbers in the form to convert the units!



Quick conversion chart of pound/square inch to inch of air [15 °C]

1 pound/square inch to inch of air [15 °C] = 22591.60725 inch of air [15 °C]

2 pound/square inch to inch of air [15 °C] = 45183.21451 inch of air [15 °C]

3 pound/square inch to inch of air [15 °C] = 67774.82176 inch of air [15 °C]

4 pound/square inch to inch of air [15 °C] = 90366.42901 inch of air [15 °C]

5 pound/square inch to inch of air [15 °C] = 112958.03626 inch of air [15 °C]

6 pound/square inch to inch of air [15 °C] = 135549.64352 inch of air [15 °C]

7 pound/square inch to inch of air [15 °C] = 158141.25077 inch of air [15 °C]

8 pound/square inch to inch of air [15 °C] = 180732.85802 inch of air [15 °C]

9 pound/square inch to inch of air [15 °C] = 203324.46528 inch of air [15 °C]

10 pound/square inch to inch of air [15 °C] = 225916.07253 inch of air [15 °C]


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You can do the reverse unit conversion from inch of air [15 °C] to pound/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!