Home›Pressure›PSI to MPa
Pressure

PSI to MPa

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

ADVERTISEMENT
CONVERTED RESULT—
Decimal places
CONVERSION RULE

1 psi equals approximately 0.00689476 MPa.

How to use the PSI to MPa

  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 psi equals approximately 0.00689476 MPa.

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.

ADVERTISEMENT

Common psi to MPa conversions

psiMPa
1 psi0.006895 MPa
2 psi0.01379 MPa
5 psi0.034474 MPa
10 psi0.068948 MPa
20 psi0.137895 MPa
50 psi0.344738 MPa

Example

For example, entering 1 psi gives approximately 0.006895 MPa using the rule above. Change the input to test your own value.

Frequently asked questions

The PSI to MPa converts a value from psi to MPa 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 psi equals approximately 0.00689476 MPa.
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.