PSI to Bar
1 psi = 0.0689476 bar
How to convert psi to bar
Enter the value in psi (psi) above and the equivalent in bar (bar) updates as you type. This conversion comes up when inflating tires with a gauge in a different unit than the door-sticker spec.
- A common car tire spec: 2.3 bar, about 33 psi → that is 33.358667 psi in psi.
Typical situations: reading weather maps (hPa/mbar) vs US forecasts (inHg); diving and scuba tank pressures (bar vs psi).
You can also convert in the other direction: Bar to PSI
PSI to Bar conversion table
| PSI (psi) | Bar (bar) |
|---|---|
| 1 | 0.068948 |
| 2 | 0.137895 |
| 5 | 0.344738 |
| 10 | 0.689476 |
| 25 | 1.72369 |
| 50 | 3.44738 |
| 100 | 6.89476 |
Watch out for
- kPa, hPa, and bar are all metric but differ by factors of 100/1000; car specs are usually bar or kPa
- Absolute vs gauge pressure (psia vs psig): tire gauges read gauge pressure
Frequently asked questions
How many bars is 1 psi?
1 psi = 0.068948 bars.
What is the formula to convert psi to bars?
The formula is: bar = psi × 0.068948.
What is 10 psis in bars?
10 psis = 0.689476 bars.