How to Convert MPa to PSI

Last Updated: May 18, 2020 References

Learn how to Convert MPa to psi. A MPa (megapascal) is a unit of measurement for pressure. A single pascal (Pa) is a unit of pressure equal to one newton per square meter. Mega means million, therefore one MegaPascal equals 1,000,000 Pascals.^{[1]
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Research source} You can convert an MPa value to psi(pound-force per square inch) by using a calculator or you can use an online unit conversion calculator.^{[2]
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Method 1

Method 1 of 2:

Calculator

1
Turn on your calculator
2
Enter the MPa value that you wish to convert to psi

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3
Multiply the that value by 145.0377^{[3]
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Method 2

Method 2 of 2:

Online

1
Go to a free online pressure unit conversion calculator that will convert MPa to psi. Google convert MPa to psi or Follow the links in the Resources section.
2
Enter the MPa value in the box.^{[4]
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Click “Convert” it's that easy!

Community Q&A

Question

How can I convert MPa to kg/m3?

Tiagoroth

Community Answer

This is impossible. Pressure and density are two entirely separate units of measurement. They can be used together, such as in Boyle's Law, but you can not convert one to the other.