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MPa to PSI

Convert MPa to psi quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.

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CONVERTED RESULT—
Decimal places
CONVERSION RULE

1 MPa equals approximately 145.038 psi.

How to use the MPa to PSI

  1. Enter the number you want to convert.
  2. Confirm the source unit shown beside the input.
  3. Choose decimal precision if you need more or less detail.
  4. Read the converted result.
  5. Copy the result when you need to use it elsewhere.

How the conversion works

1 MPa equals approximately 145.038 psi.

For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.

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Common MPa to psi conversions

MPapsi
1 MPa145.037738 psi
2 MPa290.075476 psi
5 MPa725.18869 psi
10 MPa1,450.37738 psi
20 MPa2,900.75476 psi
50 MPa7,251.8869 psi

Example

For example, entering 1 MPa gives approximately 145.037738 psi using the rule above. Change the input to test your own value.

Frequently asked questions

The MPa to PSI converts a value from MPa to psi using the conversion relationship described on this page.
Enter your value, review the source and destination units, choose the decimal precision and read or copy the result.
1 MPa equals approximately 145.038 psi.
Use enough precision for your purpose. Everyday estimates usually need fewer decimal places; technical work may require more.
It can be a useful reference calculation, but safety-critical, regulated, contractual or specialized work should be verified against the applicable authoritative standard.

Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.

Page reviewed: August 24, 2026.