How to Convert KPA to PSI

Written by mark kennan
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How to Convert KPA to PSI
Tire pressure can be measured in psi or kPa. (tire image by Orlando Florin Rosu from Fotolia.com)

The kilopascals -- abbreviated as kPa -- is a common metric unit of pressure. Psi stands for pounds per square inch, a unit of pressure in the United States. Pressure measures the perpendicular force against an object, such as the air pressing against the wall of a tire. If a pressure requirement is reported in kPa, but your pump only measures in psi, you must convert to make sure that you have the proper pressure.

Skill level:
Easy

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Things you need

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Instructions

  1. 1

    Multiply the number of kPa by 0.145 to find the number of psi. For example, if you had 120 kPa, multiply 120 by 0.145 to get about 17.4 psi.

  2. 2

    Divide the number of kPa by 6.895 to convert to psi. For example, if you had 120 kPa, divide 120 by 6.895 to get about 17.4 psi.

  3. 3

    Use an online conversion calculator to verify your results, or to obtain more precise measurements.

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