Pascals to PSI
Convert pascals to psi instantly. 1 Pa = 0.0001450377 psi. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert pascals to psi
To convert pascals to psi, divide by 6894.757293168 (multiply by 0.0001450377). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
psi = Pa × 0.0001450377
Pascals to PSI conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Pascals | PSI |
|---|---|
| 1 Pa | 0.000145 psi |
| 2 Pa | 0.0002901 psi |
| 3 Pa | 0.0004351 psi |
| 5 Pa | 0.0007252 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 |
| 500 Pa | 0.072519 psi |
| 1,000 Pa | 0.145038 psi |
What is a pascal?
The SI unit of pressure: one newton per square metre.
What is a psi?
Pounds per square inch, the US pressure unit for tyres and plumbing.
The formula
psi = Pa × 0.0001450377
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Pascals to PSI
- Type the number of pascals you want to convert.
- Read the result in psi straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked psi to pascals page.
Pascals to PSI — frequently asked questions
How many psi are in a pascal?
One pascal equals 0.0001450377 psi. psi = Pa × 0.0001450377
What is the formula to convert pascals to psi?
The formula is psi = Pa × 0.0001450377. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert psi back to pascals?
Divide instead of multiplying: one psi is 6894.757293168 Pa. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this pascals to psi free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error