Psi to Atmospheres Converter
Convert psi to atmospheres instantly. 1 psi = 0.068046 atm. Free two-way converter with the formula and a quick reference table.
How to convert psi to atmospheres
atmospheres = psi × 0.068046
One pound per square inch equals 0.068046 atmospheres, so to convert psi to atmospheres you multiply by 0.068046. Going the other way, one atmosphere is 14.6959 psi. Both units measure pressure, so the conversion is an exact ratio that never changes.
10 psi = 0.68046 atmospheres. Multiply your pound per square inch figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? atmospheres to psi
psi to atmospheres table
| psi (psi) | atmospheres (atm) |
|---|---|
| 1 | 0.068046 |
| 2 | 0.136092 |
| 3 | 0.204138 |
| 5 | 0.34023 |
| 10 | 0.68046 |
| 20 | 1.3609 |
| 25 | 1.7011 |
| 50 | 3.4023 |
| 100 | 6.8046 |
| 250 | 17.0115 |
| 500 | 34.023 |
| 1,000 | 68.046 |
Frequently asked questions
How many atmospheres are in a pound per square inch?
One pound per square inch equals 0.068046 atmospheres. So to convert, multiply the number of psi by 0.068046.
How do I convert psi to atmospheres?
Multiply by 0.068046, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.