Pressure conversion
1 megapascal (MPa) equals 145.037737730217 pound per square inch (psi). Enter any value below to convert from MPa to psi.
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1 MPa = 145.0377377302 psi
| Unit | Value |
|---|---|
| Pascal Pa | 1,000,000 |
| Kilopascal kPa | 1,000 |
| Megapascal MPa | 1 |
| Bar bar | 10 |
| Millibar mbar | 10,000 |
| Standard atmosphere atm | 9.8692326672 |
| Pound per square inch psi | 145.0377377302 |
| Torr Torr | 7,500.6168270417 |
| Millimeter of mercury mmHg | 7,500.6157584566 |
| Inch of mercury inHg | 295.2998016471 |
Formula
Use this relationship for a direct conversion:
2 MPa = 290.0754754604 psi.
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
Quick reference
| Megapascal (MPa) | Pound per square inch (psi) |
|---|---|
| 0.01 | 1.4503773773 |
| 0.1 | 14.503773773 |
| 1 | 145.0377377302 |
| 2 | 290.0754754604 |
| 5 | 725.1886886511 |
| 10 | 1,450.3773773022 |
| 25 | 3,625.9434432554 |
| 50 | 7,251.8868865108 |
| 100 | 14,503.7737730217 |
| 1,000 | 145,037.7377302168 |
From unit
One million pascals.
Symbol: MPa
To unit
One pound-force per square inch.
Symbol: psi
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 psi = MPa x 145.037737730217. 1 megapascal (MPa) equals 145.037737730217 pound per square inch (psi).
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
