Convert pounds per square inch to pascals and pascals to PSI instantly. Bidirectional pressure converter with formula and common values.
To convert PSI to pascals, multiply by 6,894.76. One pound per square inch equals approximately 6,894.76 pascals. PSI is the standard pressure unit in the US customary system, while the pascal is the SI unit.
| PSI | Pascals |
|---|---|
| 5 | 34,473.8 |
| 14.7 | 101,332.6 |
| 25 | 172,369.0 |
| 32 | 220,632.3 |
| 50 | 344,738.0 |
| 75 | 517,107.0 |
| 150 | 1,034,214.0 |
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PSI stands for pounds per square inch. It measures the pressure exerted by one pound-force applied to an area of one square inch and is widely used in the United States and United Kingdom.
Most passenger car tires are inflated to 32-35 PSI, which equals roughly 220,632 to 241,317 pascals (220-241 kPa). The recommended pressure is usually printed on the tire sidewall or driver door jamb.
Multiply PSI by 6.89476 to get kilopascals (kPa). Since 1 kPa = 1,000 Pa, this is simply the pascal conversion factor divided by 1,000.
PSI is primarily used in the US, UK, and countries influenced by their engineering standards. Most of the world uses bar, pascal, or kilopascal for pressure measurement.