Convert pound/square inch to millinewton/square millimetre


pound/square inch
millinewton/square millimetre

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)
millinewton/square millimetre (relative to vacuum)



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

More information from the unit converter

How many pound/square inch in 1 millinewton/square millimetre? The answer is 0.14503773800722. We assume you are converting between pound/square inch and millinewton/square millimetre. You can view more details on each measurement unit: pound/square inch or millinewton/square millimetre The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00014503773800722 pound/square inch, or 0.001 millinewton/square millimetre. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between pounds/square inch and millinewtons/square millimeter. Type in your own numbers in the form to convert the units!



Quick conversion chart of pound/square inch to millinewton/square millimetre

1 pound/square inch to millinewton/square millimetre = 6.89476 millinewton/square millimetre

5 pound/square inch to millinewton/square millimetre = 34.47379 millinewton/square millimetre

10 pound/square inch to millinewton/square millimetre = 68.94757 millinewton/square millimetre

15 pound/square inch to millinewton/square millimetre = 103.42136 millinewton/square millimetre

20 pound/square inch to millinewton/square millimetre = 137.89515 millinewton/square millimetre

25 pound/square inch to millinewton/square millimetre = 172.36893 millinewton/square millimetre

30 pound/square inch to millinewton/square millimetre = 206.84272 millinewton/square millimetre

40 pound/square inch to millinewton/square millimetre = 275.79029 millinewton/square millimetre

50 pound/square inch to millinewton/square millimetre = 344.73786 millinewton/square millimetre


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You can do the reverse unit conversion from millinewton/square millimetre 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!