Convert PSI to atmospheres and atm to PSI instantly. Bidirectional pressure converter with formula and common values.
Divide the PSI value by 14.696 to get atmospheres. PSI is the dominant pressure unit in US engineering; the atmosphere is used in chemistry and physics.
| PSI | Atmospheres |
|---|---|
| 5 | 0.3402 |
| 14.7 | 1.0003 |
| 25 | 1.7012 |
| 32 | 2.1775 |
| 50 | 3.4023 |
| 100 | 6.8046 |
| 3,000 | 204.14 |
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One PSI equals approximately 0.068046 atmospheres. It takes about 14.696 PSI to equal one atmosphere.
Divide the PSI value by 14.696 (or multiply by 0.068046). For example, 35 psi × 0.068046 = 2.382 atm.
14.7 PSI is approximately 1.0003 atmospheres, essentially one standard atmosphere. This is why 14.7 psi is often cited as atmospheric pressure.
Divide tire pressure by 14.696. A tire at 32 psi is at 2.177 atm absolute, or about 1.177 atm gauge pressure above the surrounding atmosphere.