Convert PSI to Bar
Convert PSI to Bar instantly. 1 psi = 0.068948 bar. Formula, worked examples and a quick reference table.
Last updated
One psi equals 0.068948 bar. To convert any number of psis to bars, multiply by 0.06894757.
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.
PSI to Bar formula
To go the other way, use psi = bar ÷ 0.06894757.
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.
One bar is 100,000 pascals, very close to average atmospheric pressure at sea level — which is why it was chosen.
PSI to Bar conversion table
| PSI | Bar |
|---|---|
| 1 psi | 0.0689 bar |
| 2 psi | 0.1379 bar |
| 3 psi | 0.2068 bar |
| 5 psi | 0.3447 bar |
| 10 psi | 0.6895 bar |
| 20 psi | 1.379 bar |
| 25 psi | 1.7237 bar |
| 50 psi | 3.4474 bar |
| 100 psi | 6.8948 bar |
| 250 psi | 17.2369 bar |
| 500 psi | 34.4738 bar |
| 1,000 psi | 68.9476 bar |
Frequently asked questions
How many bars are in a psi? +
There are 0.068948 bars in one psi.
What is 10 psi in bar? +
10 psi equals 0.6895 bar. Multiply 10 by 0.06894757.
How do I convert bar back to psi? +
Use psi = bar ÷ 0.06894757. The converter above handles both directions, or see our dedicated Bar to PSI page.