EngiRef / Pressure conversion
Convert Pascals to PSI (Pa to psi)
1 Pa = 0.000145037738 psi. Convert pascals to PSI with the exact factor, a common-values table and a free converter.
Conversion factor
psi = Pa × 0.000145037738
1 Pa = 0.000145037738 psi
Multiply by 0.000145037738 psi to go from pascals to PSI, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
Pa to psi table
| Pascals (Pa) | PSI (psi) |
|---|---|
| 1 Pa | 0.000145037738 psi |
| 2 Pa | 0.000290075475 psi |
| 5 Pa | 0.000725188689 psi |
| 10 Pa | 0.00145037738 psi |
| 20 Pa | 0.00290075475 psi |
| 50 Pa | 0.00725188689 psi |
| 100 Pa | 0.0145037738 psi |
Every figure is computed at build time by the site’s own converter from the pressure unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many PSI are in one Pascal?
One Pascal is 0.000145037738 psi, so 100 Pa is 0.0145037738 psi.
What is the formula to convert pascals to PSI?
psi = Pa × 0.000145037738. Multiply the value in pascals by 0.000145037738 to get PSI.
How do I convert PSI back to pascals?
Pa = psi × 6894.75729, so 1 psi is 6894.75729 Pa. The psi to Pa page carries the same table in that direction.