Pressure converter
These are pressure units only. Gauge and absolute readings need a reference pressure and are not interchangeable.
Edit either value. Use a decimal point; commas group thousands. Rounding affects display only.
How to convert bar to pounds per square inch
Choose any of the 7 supported units. All conversions within this category share the same calculation engine.
Formula coefficients shown rounded. Calculations use the stored factors before display rounding.
A worked example
For 10 bar, the result is approximately 145.0377377 psi. To go the other way, edit the result above or swap the units.
These are pressure units only. Gauge and absolute readings need a reference pressure and are not interchangeable.
Where the numbers come from
Factors follow NIST conversion references and documented unit definitions. Read our accuracy and rounding notes.
The table and method describe this page’s original pair. Changing units above does not change this reference section.
| Bar (bar) | Pounds per square inch (psi) |
|---|---|
| 1 | 14.50377377 |
| 2 | 29.00754755 |
| 5 | 72.51886887 |
| 10 | 145.0377377 |
| 20 | 290.0754755 |
| 25 | 362.5943443 |
| 50 | 725.1886887 |
| 100 | 1450.377377 |
| 500 | 7251.886887 |
| 1000 | 14503.77377 |