Conversion Formula
$$P_{\text{psi}} = P_{\text{bar}} \times 14.5038$$
Multiply the pressure in bar by 14.5038 to get PSI.
bar to psi Conversion Table
| Bar (bar) | Pound per Square Inch (psi) |
|---|---|
| 0.1 | 1.45038 |
| 0.5 | 7.25189 |
| 1 | 14.5038 |
| 2 | 29.0075 |
| 5 | 72.5189 |
| 10 | 145.038 |
| 25 | 362.594 |
| 50 | 725.189 |
| 100 | 1,450.38 |
| 250 | 3,625.94 |
| 500 | 7,251.89 |
| 1,000 | 14,503.8 |
bar to psi in Engineering
Pressure conversions are essential across all engineering disciplines — from structural loads (PSI, ksi) to fluid systems (feet of water, mmHg) to atmospheric science (atm, mbar). Accurate pressure conversion is critical for piping design, HVAC, and geotechnical analysis.
Bar: Metric pressure unit approximately equal to one atmosphere. Common in European industrial and process engineering.
Pound per Square Inch: Primary US customary pressure unit. Used extensively in mechanical, civil, and petroleum engineering in the United States.