Formula
Pa to psi conversion formula
Use this relationship for a direct conversion:
Worked example
2 Pa = 0.0002900755 psi.
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
Pressure conversion
1 pascal (Pa) equals 0.000145037738 pound per square inch (psi). Enter any value below to convert from Pa to psi.
Enter a value and choose units. Results update instantly.
1 Pa = 0.0001450377 psi
| Unit | Value |
|---|---|
| Pascal Pa | 1 |
| Kilopascal kPa | 0.001 |
| Megapascal MPa | 0.000001 |
| Bar bar | 0.00001 |
| Millibar mbar | 0.01 |
| Standard atmosphere atm | 0.0000098692 |
| Pound per square inch psi | 0.0001450377 |
| Torr Torr | 0.0075006168 |
| Millimeter of mercury mmHg | 0.0075006158 |
| Inch of mercury inHg | 0.0002952998 |
Formula
Use this relationship for a direct conversion:
2 Pa = 0.0002900755 psi.
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.
Quick reference
| Pascal (Pa) | Pound per square inch (psi) |
|---|---|
| 0.01 | 0.0000014504 |
| 0.1 | 0.0000145038 |
| 1 | 0.0001450377 |
| 2 | 0.0002900755 |
| 5 | 0.0007251887 |
| 10 | 0.0014503774 |
| 25 | 0.0036259434 |
| 50 | 0.0072518869 |
| 100 | 0.0145037738 |
| 1,000 | 0.1450377377 |
From unit
One newton per square meter.
Symbol: Pa
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 = Pa x 0.000145037738. 1 pascal (Pa) equals 0.000145037738 pound per square inch (psi).
Conventional mercury-column units are not measurements adjusted for local temperature or gravity.