Convert atmospheres to PSI and PSI to atm instantly. Bidirectional pressure converter with formula and common values.
Multiply the atmosphere value by 14.696 to get PSI. This conversion bridges the scientific atmosphere unit with the US/UK engineering standard.
| Atmospheres | PSI |
|---|---|
| 0.5 | 7.348 |
| 1 | 14.70 |
| 2 | 29.39 |
| 2.5 | 36.74 |
| 5 | 73.48 |
| 8 | 117.6 |
| 15 | 220.4 |
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One atmosphere equals approximately 14.696 PSI. This is sea-level atmospheric pressure expressed in pounds per square inch.
Multiply the atmosphere value by 14.696. For example, 2.5 atm × 14.696 = 36.74 psi.
Gauge pressure (psig) reads zero at atmospheric pressure. Absolute pressure (psia) includes atmospheric pressure. So 0 psig = 1 atm = 14.696 psia.
Car tires: 30-35 psi. Bicycle tires: 40-130 psi. Water pressure in homes: 40-80 psi. Scuba tanks: 3,000 psi.