Pressure conversion
1 pound per square inch (psi) equals 0.006894757293 megapascal (MPa). Enter any value below to convert from psi to MPa.
Enter a value and choose units. Results update instantly.
1 psi = 0.0068947573 MPa
| Unit | Value |
|---|---|
| Pascal Pa | 6,894.757293168 |
| Kilopascal kPa | 6.8947572932 |
| Megapascal MPa | 0.0068947573 |
| Bar bar | 0.0689475729 |
| Millibar mbar | 68.9475729317 |
| Standard atmosphere atm | 0.0680459639 |
| Pound per square inch psi | 1 |
| Torr Torr | 51.7149325715 |
| Millimeter of mercury mmHg | 51.7149252039 |
| Inch of mercury inHg | 2.0360204611 |
Formula
Use this relationship for a direct conversion:
2 psi = 0.0137895146 MPa.
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
Quick reference
| Pound per square inch (psi) | Megapascal (MPa) |
|---|---|
| 0.01 | 0.0000689476 |
| 0.1 | 0.0006894757 |
| 1 | 0.0068947573 |
| 2 | 0.0137895146 |
| 5 | 0.0344737865 |
| 10 | 0.0689475729 |
| 25 | 0.1723689323 |
| 50 | 0.3447378647 |
| 100 | 0.6894757293 |
| 1,000 | 6.8947572932 |
From unit
One pound-force per square inch.
Symbol: psi
To unit
One million pascals.
Symbol: MPa
Keep converting
Source
Definitions are checked against NIST SP 811: Pressure units. Calculations use full internal precision before display rounding.
View the complete pressure converterQuestions
Use the formula MPa = psi x 0.006894757293. 1 pound per square inch (psi) equals 0.006894757293 megapascal (MPa).
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
