How to convert megapascals to pounds per square inch
psi = MPa × 145.0377377Multiply the value in megapascals by 145.0377377. To go the other way, multiply by 0.006894757293 (or divide by 145.0377377).
A megapascal is larger than a pound per square inch: one megapascal contains 145.0377377 pounds per square inch.
Worked examples
- 1 megapascal1 MPa × 145.0377377 = 145.0377377 psi
- 5 megapascals5 MPa × 145.0377377 = 725.1886887 psi
- 10 megapascals10 MPa × 145.0377377 = 1,450.377377 psi
- 20 megapascals20 MPa × 145.0377377 = 2,900.754755 psi
- 100 megapascals100 MPa × 145.0377377 = 14,503.77377 psi
Megapascals to pounds per square inch conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Megapascals (MPa) | Pounds per square inch (psi) |
|---|---|
| 0.1 MPa | 14.503774 psi |
| 0.25 MPa | 36.259434 psi |
| 0.5 MPa | 72.518869 psi |
| 1 MPa | 145.03774 psi |
| 2 MPa | 290.07548 psi |
| 3 MPa | 435.11321 psi |
| 4 MPa | 580.15095 psi |
| 5 MPa | 725.18869 psi |
| 6 MPa | 870.22643 psi |
| 7 MPa | 1,015.2642 psi |
| 8 MPa | 1,160.3019 psi |
| 9 MPa | 1,305.3396 psi |
| 10 MPa | 1,450.3774 psi |
| Megapascals (MPa) | Pounds per square inch (psi) |
|---|---|
| 12 MPa | 1,740.4529 psi |
| 15 MPa | 2,175.5661 psi |
| 20 MPa | 2,900.7548 psi |
| 25 MPa | 3,625.9434 psi |
| 30 MPa | 4,351.1321 psi |
| 40 MPa | 5,801.5095 psi |
| 50 MPa | 7,251.8869 psi |
| 75 MPa | 10,877.83 psi |
| 100 MPa | 14,503.774 psi |
| 250 MPa | 36,259.434 psi |
| 500 MPa | 72,518.869 psi |
| 1,000 MPa | 145,037.74 psi |
About the units
Megapascal (MPa)
One million pascals, equal to 1 N/mm². Concrete and steel strengths are given in MPa. One megapascal equals 1,000,000 pascals (Pa).
Pound per square inch (psi)
One pound-force per square inch, about 6,894.76 Pa. US tire, air-compressor and hydraulic pressures are given in psi. One pound per square inch equals 6,894.757293 pascals (Pa).
Frequently asked questions
How many pounds per square inch are in one megapascal?
There are 145.0377377 pounds per square inch in one megapascal, and this value is exact by definition.
How do I convert megapascals to pounds per square inch?
Multiply the number of megapascals by 145.0377377. For example, 10 MPa × 145.0377377 = 1,450.377377 psi.
How many megapascals are in one pound per square inch?
One pound per square inch equals 0.006894757293 megapascals. That is the reverse factor, 1 ÷ 145.0377377.
What is 10 megapascals in pounds per square inch?
10 MPa = 1,450.377377 psi.
Is this MPa to psi converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.