Convert PSI to atmospheres
1 psi = 0.06804596 atm. Change the amount below, or read the formula and the reference table further down.
1 PSI equals
atmospheres
1 psi = 0.06804596 atm
The formula
PSI and atmospheres both measure pressure from the same zero, so a single multiplier does the job.
atm = psi × 0.0680459639
Going the other way? Convert atmospheres to PSI.
PSI to atmospheres table
Common values, rounded for reading.
| PSI (psi) | Atmospheres (atm) |
|---|---|
| 1 | 0.068046 |
| 2 | 0.136092 |
| 3 | 0.204138 |
| 4 | 0.272184 |
| 5 | 0.34023 |
| 6 | 0.408276 |
| 7 | 0.476322 |
| 8 | 0.544368 |
| 9 | 0.612414 |
| 10 | 0.68046 |
| 15 | 1.0207 |
| 20 | 1.3609 |
| 25 | 1.7011 |
| 30 | 2.0414 |
| 40 | 2.7218 |
| 50 | 3.4023 |
| 75 | 5.1034 |
| 100 | 6.8046 |
| 250 | 17.0115 |
| 500 | 34.023 |
| 1,000 | 68.046 |
Questions people ask
- How many atmospheres are in a PSI?
- One PSI equals 0.0680459639 atmospheres.
- How do I convert PSI to atmospheres by hand?
- Multiply the number of PSI by 0.0680459639. For a rough check, 0.068 is close enough for most everyday use.
- What is 1 PSI in atmospheres?
- 1 PSI is 0.06804596 atmospheres.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.