PSI to Atmosphere Converter (psi to atm)
1 psi equals 0.06804596 atmospheres (1 psi = 0.06804596 atm) — multiply the number of psi by 0.06804596 to convert. One standard atmosphere is about 14.696 psi, so each psi is a small fraction of an atmosphere.
The formula
To convert psi to atmospheres, multiply by the exact factor:
atm = psi × 0.06804596
For example, 14.7 psi × 0.06804596 = 1.00028 atm. To reverse it, divide atmospheres by 0.06804596 (or multiply by 14.695949).
Conversion table
| PSI | Atmospheres (atm) |
|---|---|
| 1 | 0.06804596 |
| 2 | 0.13609192 |
| 5 | 0.3402298 |
| 10 | 0.6804596 |
| 25 | 1.701149 |
| 50 | 3.402298 |
| 100 | 6.804596 |
| 500 | 34.02298 |
| 1000 | 68.04596 |
How to convert online
- Type your psi value into the first box.
- Read the atmosphere result instantly in the second box.
- Or enter atmospheres to convert back to psi — it works both ways.
Use the PSI to Atmosphere Converter — free and instant in your browser.
Where this conversion is used
Atmospheres are a natural unit in scuba diving, chemistry and physics, so translating psi gauge readings into atm makes it easy to reason about depth pressure and gas-law problems. Engineers and students use it to compare pressures against sea-level baseline conditions.
FAQ
How many atmospheres are in a psi?
One psi equals 0.06804596 atmospheres. For example, 10 psi = 0.6804596 atm.
What is the formula to convert psi to atmospheres?
Multiply the psi value by 0.06804596: atm = psi × 0.06804596.
How do I convert atmospheres back to psi?
Divide by 0.06804596 (multiply by 14.695949). So 1 atm = about 14.696 psi.
Is the conversion exact?
The factor is rounded to eight decimals from the exact standard-atmosphere definition, which is precise enough for engineering and lab use.
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