Atmospheres to Psi Converter
Convert atmospheres to psi instantly. 1 atm = 14.6959 psi. Free two-way converter with the formula and a quick reference table.
How to convert atmospheres to psi
psi = atmospheres × 14.6959
One atmosphere equals 14.6959 psi, so to convert atmospheres to psi you multiply by 14.6959. Going the other way, one pound per square inch is 0.068046 atmospheres. Both units measure pressure, so the conversion is an exact ratio that never changes.
10 atmospheres = 146.96 psi. Multiply your atmosphere figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? psi to atmospheres
atmospheres to psi table
| atmospheres (atm) | psi (psi) |
|---|---|
| 1 | 14.6959 |
| 2 | 29.3919 |
| 3 | 44.0878 |
| 5 | 73.4797 |
| 10 | 146.96 |
| 20 | 293.92 |
| 25 | 367.4 |
| 50 | 734.8 |
| 100 | 1,469.59 |
| 250 | 3,673.99 |
| 500 | 7,347.97 |
| 1,000 | 14,695.95 |
Frequently asked questions
How many psi are in a atmosphere?
One atmosphere equals 14.6959 psi. So to convert, multiply the number of atmospheres by 14.6959.
How do I convert atmospheres to psi?
Multiply by 14.6959, 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.