Convert MPa to psi, psi to MPa - Pressure Conversions
Online calculators to convert megapascals to pounds per square inch (MPa to psi) and pounds per square inch to megapascals (psi to MPa) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Pressure units.
Conversion Calculators
Enter your value in one of the conversion calculators below:
Convert MPa to psi
Convert psi to MPa
* If the result of your conversion is 0, try increasing the "Decimals".
How to convert MPa to psi : Use the conversion calculator titled "Convert MPa to psi". Enter a value in the MPa field and click on the "Calculate psi" button. Your answer will appear in the psi field.
How to convert psi to MPa : Use the conversion calculator titled "Convert psi to MPa". Enter a value in the psi field and click on the "Calculate MPa" button. Your answer will appear in the MPa field.
Conversion Definitions
The following is a list of definitions relating to conversions between megapascals and psi.
What is a megapascal (MPa)?
A megapascal is a unit of Pressure in the International System of Units (SI). The symbol for megapascal is MPa. There are 0.00689475729 megapascals in a psi.
What is pounds per square inch (psi)?
Pounds per square inch (or pound-force per square inch) is a non-SI unit of Pressure. The symbol for pounds per square inch is psi or lbf/in 2 . There are 145.0377 psi in a megapascal.
Conversion Formulas
Let's take a closer look at the conversion formulas so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from MPa to psi is:
The formula to convert from psi to MPa is:
Conversion Examples
Next, let's look at some examples showing the work and calculations that are involved in converting from megapascals to pounds per square inch (MPa to psi) or converting from pounds per square inch to megapascals (psi to MPa).
Megapascal to Psi Conversion Example
Psi to Megapascal Conversion Example
Conversion Tables
For quick reference purposes, below are conversion tables that you can use to convert from MPa to psi, and psi to MPa.
Megapascals to Psi Conversion Chart
Psi to Megapascals Conversion Chart
Understanding the Pressure Units
This table provides a summary of the Pressure units within their respective measurement systems.
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