Megapascals to Pounds per square inch formula
pounds per square inch = megapascals × 145.038
Multiply the number of megapascals by 145.038 to get pounds per square inch. To go the other way, multiply by 0.00689476 instead, or use the psi to mpa converter.
Megapascals to Pounds per square inch conversion table
Common mpa to psi values, rounded for reading. The converter above keeps full precision.
| Megapascals | Pounds per square inch |
|---|---|
| 1 MPa | 145.038 psi |
| 2 MPa | 290.075 psi |
| 3 MPa | 435.113 psi |
| 4 MPa | 580.151 psi |
| 5 MPa | 725.189 psi |
| 10 MPa | 1,450.38 psi |
| 15 MPa | 2,175.57 psi |
| 20 MPa | 2,900.75 psi |
| 25 MPa | 3,625.94 psi |
| 50 MPa | 7,251.89 psi |
| 75 MPa | 10,877.8 psi |
| 100 MPa | 14,503.8 psi |
| 250 MPa | 36,259.4 psi |
| 500 MPa | 72,518.9 psi |
| 1,000 MPa | 145,038 psi |
Worked example
To convert 10 MPa to pounds per square inch, multiply by 145.038: the result is 1,450.38 psi. This converts pressure units only. Gauge pressure and absolute pressure need the same reference before comparison.
Frequently asked questions
How many pounds per square inch are in a megapascal?
One megapascal equals 145.038 pounds per square inch (1 MPa = 145.038 psi).
What is 10 megapascals in pounds per square inch?
10 MPa converts to 1,450.38 psi. Enter any other value in the converter above to see it recalculated instantly.
How do I convert pounds per square inch back to megapascals?
Reverse the calculation: one pound per square inch equals 0.00689476 megapascals. You can also swap the units in the converter or open the psi to mpa page.
Related pressure conversions
Need a different pair? Open the full pressure converter to choose any two units.