Convert pound per square inch to megapascal
1 psi = 0.006894757293 MPa
1 psi = 0.00689 MPa
1 psi in every pressure unit
| pascal | 6,890 Pa |
| kilopascal | 6.89 kPa |
| megapascal | 0.00689 MPa |
| bar | 0.0689 bar |
| atmosphere | 0.068 atm |
| millimeter of mercury | 51.7 mmHg |
| pound per square inch | 1 psi |
| foot of water column | 2.31 ft H₂O |
| gigapascal | 0.00000689 GPa |
| kip per square inch | 0.001 ksi |
| inch of mercury | 2.04 inHg |
| inch of water column | 27.7 in w.g. |
How the conversion works
Multiply by 0.006894757293 to go from pound per square inch to megapascal, 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? megapascal to pound per square inch — 1 MPa = 145.0377377 psi.
pound per square inch to megapascal — common values
| 1 psi | 0.0068947573 MPa |
| 2 psi | 0.013789515 MPa |
| 3 psi | 0.020684272 MPa |
| 5 psi | 0.034473786 MPa |
| 10 psi | 0.068947573 MPa |
| 15 psi | 0.10342136 MPa |
| 20 psi | 0.13789515 MPa |
| 25 psi | 0.17236893 MPa |
| 50 psi | 0.34473786 MPa |
| 75 psi | 0.5171068 MPa |
| 100 psi | 0.68947573 MPa |
| 250 psi | 1.7236893 MPa |
| 500 psi | 3.4473786 MPa |
| 1000 psi | 6.8947573 MPa |