›› Convert pound/square inch to kilopascal

PSI
kPa

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.

PSI (relative to atmosphere)
kPa (relative to vacuum)



›› More information from the unit converter

How many PSI in 1 kPa? The answer is 0.145037738007.
We assume you are converting between pound/square inch and kilopascal.
You can view more details on each measurement unit:
PSI or kPa
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.000145037738007 PSI, or 0.001 kPa.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between pounds/square inch and kilopascals.
Type in your own numbers in the form to convert the units!


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You can do the reverse unit conversion from kPa to PSI, or enter any two units below:

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›› Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/inē or lbf/inē) 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.


›› Definition: Kilopascal

The SI prefix "kilo" represents a factor of 103, or in exponential notation, 1E3.

So 1 kilopascal = 103 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.


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

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