Convert megapascal to pound per square inch
1 MPa = 145.0377377 psi
1 MPa = 145 psi
1 MPa in every pressure unit
| pascal | 1,000,000 Pa |
| kilopascal | 1,000 kPa |
| megapascal | 1 MPa |
| bar | 10 bar |
| atmosphere | 9.87 atm |
| millimeter of mercury | 7,500 mmHg |
| pound per square inch | 145 psi |
| foot of water column | 335 ft H₂O |
| gigapascal | 0.001 GPa |
| kip per square inch | 0.145 ksi |
| inch of mercury | 295 inHg |
| inch of water column | 4,010 in w.g. |
How the conversion works
Multiply by 145.0377377 to go from megapascal to pound per square inch, or divide by it to go back. Every conversion on this site routes through the SI value (Pa) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? pound per square inch to megapascal — 1 psi = 0.006894757293 MPa.
megapascal to pound per square inch — common values
| 1 MPa | 145.03774 psi |
| 2 MPa | 290.07548 psi |
| 3 MPa | 435.11321 psi |
| 5 MPa | 725.18869 psi |
| 10 MPa | 1,450.3774 psi |
| 15 MPa | 2,175.5661 psi |
| 20 MPa | 2,900.7548 psi |
| 25 MPa | 3,625.9434 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 |
| 1000 MPa | 145,037.74 psi |