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MPa to PSI Converter

Convert MPa to PSI instantly: 1 megapascal = 145.0377377 psi. Free mpa to psi converter with formula, chart and examples.

1 megapascal = 145.0377377 psi

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UnitSymbolValue

Quick answer

To convert megapascals to psi, multiply the number of megapascals by 145.038. For example, 0.1 megapascals = 14.5038 psi.

Last updated · Conversion factors follow the SI definitions in the BIPM SI Brochure and NIST SP 811.

How to Convert MPa to PSI

The formula is psi = megapascals × 145.0377377. 1 megapascal = 145.0377377 psi. Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for megapascal to psi conversions, but you can switch either list to any of the 52 units in the Pressure Converter.

MPa to PSI conversion chart

MPaPSI
0.1 MPa14.503774 psi
0.25 MPa36.259434 psi
0.5 MPa72.518869 psi
1 MPa145.03774 psi
2 MPa290.07548 psi
3 MPa435.11321 psi
4 MPa580.15095 psi
5 MPa725.18869 psi
6 MPa870.22643 psi
7 MPa1,015.2642 psi
8 MPa1,160.3019 psi
9 MPa1,305.3396 psi
10 MPa1,450.3774 psi
11 MPa1,595.4151 psi
12 MPa1,740.4529 psi
13 MPa1,885.4906 psi
14 MPa2,030.5283 psi
15 MPa2,175.5661 psi
16 MPa2,320.6038 psi
17 MPa2,465.6415 psi
18 MPa2,610.6793 psi
19 MPa2,755.717 psi
20 MPa2,900.7548 psi
25 MPa3,625.9434 psi
30 MPa4,351.1321 psi
40 MPa5,801.5095 psi
50 MPa7,251.8869 psi
60 MPa8,702.2643 psi
70 MPa10,152.642 psi
75 MPa10,877.83 psi
80 MPa11,603.019 psi
90 MPa13,053.396 psi
100 MPa14,503.774 psi
150 MPa21,755.661 psi
200 MPa29,007.548 psi
250 MPa36,259.434 psi
500 MPa72,518.869 psi
1,000 MPa145,037.74 psi

Common MPa to PSI conversions

  • 1 megapascal = 145.0377377 psi
  • 0.1 MPa = 14.503774 psi
  • 1 MPa = 145.03774 psi
  • 10 MPa = 1,450.3774 psi
  • 20 MPa = 2,900.7548 psi
  • 100 MPa = 14,503.774 psi

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How to Use the MPa to PSI Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many psi are in a megapascal?

There are 145.0377377 psi in 1 megapascal. Going the other way, 1 psi = 0.006894757293 megapascals.

How do I convert MPa to PSI?

Use the formula psi = megapascals × 145.0377377. For example, 1 megapascal = 145.0377377 psi. Or type the value in the converter above and the answer appears as you type.

What is the MPa to PSI formula?

psi = megapascals × 145.0377377 — the factor is rounded to 10 significant figures, which is far more precise than everyday use needs.

What is 0.1 megapascals in psi?

0.1 megapascals = 14.503774 psi.

What is 1 megapascal in psi?

1 megapascal = 145.03774 psi.

What is 10 megapascals in psi?

10 megapascals = 1,450.3774 psi.

What is 20 megapascals in psi?

20 megapascals = 2,900.7548 psi.

What is 100 megapascals in psi?

100 megapascals = 14,503.774 psi.

Is this MPa to PSI converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert MPa to other pressure units?

Yes — pick any unit in the From and To lists above, or open the full Pressure Converter, which handles 52 pressure units.

Is the MPa to PSI converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.