Convert Atmosphere to PSI
Convert Atmosphere to PSI instantly. 1 atm = 14.695949 psi. Formula, worked examples and a quick reference table.
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One atmosphere equals 14.695949 psis. To convert any number of atmospheres to psis, multiply by 14.69594878.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Atmosphere to PSI formula
To go the other way, use atmosphere = psi ÷ 14.69594878.
About these units
Pounds per square inch remains the standard for tyre pressure in the US and UK, while most of the world uses bar or kilopascals.
Atmosphere to PSI conversion table
| Atmosphere | PSI |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 3 atm | 44.0878 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.9595 psi |
| 20 atm | 293.919 psi |
| 25 atm | 367.3987 psi |
| 50 atm | 734.7974 psi |
| 100 atm | 1,469.5949 psi |
| 250 atm | 3,673.9872 psi |
| 500 atm | 7,347.9744 psi |
| 1,000 atm | 14,695.9488 psi |
Frequently asked questions
How many psis are in a atmosphere? +
There are 14.695949 psis in one atmosphere.
What is 10 atm in psi? +
10 atm equals 146.9595 psi. Multiply 10 by 14.69594878.
How do I convert psi back to atmosphere? +
Use atmosphere = psi ÷ 14.69594878. The converter above handles both directions, or see our dedicated PSI to Atmosphere page.