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Convert pascal [Pa] to pound per square inch [psi] instantly with formula, examples, chart, and FAQs.
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1 pascal [Pa] = 0.000145 pound per square inch [psi]
1 pascal [Pa] = 0.000145 pound per square inch [psi]
Example: 1 pascal [Pa] equals 0.000145 pound per square inch [psi].
Pressure conversions use pascal as the reference unit and include common engineering, weather, tire, and laboratory pressure units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The pascal is the SI derived unit of pressure equal to one newton per square meter.
HistoryThe pascal is named after Blaise Pascal and is the standard SI pressure unit.
Current usePascals are used in science, engineering, materials testing, weather, acoustics, and fluid mechanics.
Pound per square inch is a pressure unit showing pounds-force applied over one square inch.
HistoryPSI comes from imperial force and area units and remains common in mechanical and pressure-gauge contexts.
Current usePSI is used for tire pressure, compressors, plumbing, hydraulics, gas cylinders, and equipment ratings.
| pascal [Pa] | pound per square inch [psi] |
|---|---|
| 1 | 0.000145 |
| 2 | 0.00029 |
| 5 | 0.000725 |
| 10 | 0.00145 |
| 20 | 0.002901 |
| 25 | 0.003626 |
| 50 | 0.007252 |
| 100 | 0.014504 |
| 1000 | 0.145038 |
Use this formula: 1 pascal [Pa] = 0.000145 pound per square inch [psi] Enter your value in the calculator and the result updates instantly.
1 pascal [Pa] equals 0.000145 pound per square inch [psi].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.