Convert pascals to pounds per square inch
Enter a value in pascals (Pa) to get pounds per square inch (psi). One pascal is 0.00014504 pounds per square inch; one pound per square inch is 6,894.76 pascals.
How to use the Pascal to pound per square inch
- Type the number of pascals.
- Click Convert.
- Read the result in pounds per square inch, plus the same value in every other pressure unit.
Pa to psi formula
pounds per square inch = pascals × 0.00014504. To go the other way, pascals = pounds per square inch × 6,894.76 (see pounds per square inch to pascals).
Worked example
12 Pa × 0.00014504 = 0.00174 psi.
Pascals to pounds per square inch conversion table
| Pascals | Pounds per square inch |
|---|---|
| 0.1 Pa | 0.0000145 psi |
| 0.5 Pa | 0.00007252 psi |
| 1 Pa | 0.00014504 psi |
| 2 Pa | 0.00029008 psi |
| 3 Pa | 0.00043511 psi |
| 5 Pa | 0.00072519 psi |
| 10 Pa | 0.00145 psi |
| 20 Pa | 0.002901 psi |
| 25 Pa | 0.003626 psi |
| 50 Pa | 0.007252 psi |
| 100 Pa | 0.014504 psi |
| 250 Pa | 0.036259 psi |
| 500 Pa | 0.072519 psi |
| 1,000 Pa | 0.145038 psi |
About the pascal
The SI unit, one newton per square metre. Very small: atmospheric pressure is about 101,325 Pa.
About the pound per square inch
Tyre and hydraulic pressure in the USA and UK.
Related conversions
Frequently asked questions
How many pounds per square inch in a pascal?
0.00014504 pounds per square inch.
How many pascals in a pound per square inch?
6,894.76 pascals.
Is the factor exact?
The factor 0.00014504 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.