Convert psi to bar
Converting psi to bar is a common pressure task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 psi equals 0.0689476 bar, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert psi to bar
To convert psi to bar, multiply the number of psi by 0.0689476. For example, 10 psi × 0.0689476 = 0.689476 bar.
bar = psi × 0.0689476
- Write down the value in psi you want to convert.
- Multiply it by 0.0689476 (the exact psi→bar factor).
- The result is your value in bar. Check it below with the converter or the table.
Conversion table
Common values of psi and their equivalents in bar:
| psi | bar |
|---|---|
| 1 | 0.0689476 |
| 2 | 0.137895 |
| 3 | 0.206843 |
| 4 | 0.27579 |
| 5 | 0.344738 |
| 10 | 0.689476 |
| 20 | 1.37895 |
| 25 | 1.72369 |
| 50 | 3.44738 |
| 100 | 6.89476 |
| 250 | 17.2369 |
| 500 | 34.4738 |
About these units
PSI (psi). Pounds per square inch (psi) is the US customary pressure unit, one pound-force applied to one square inch. Tire gauges, compressed air and hydraulics in the US are measured in psi.
Bar (bar). A bar equals exactly 100,000 pascals, close to average atmospheric pressure at sea level. It is the standard unit for tire pressure, dive tanks and espresso machines in metric countries.
Frequently asked questions
How do I convert psi to bar?
To convert psi to bar, multiply the number of psi by 0.0689476. For example, 10 psi × 0.0689476 = 0.689476 bar. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many bar are in 1 psi?
1 psi = 0.0689476 bar. That is the fixed relationship used by this converter and by international standards.
How many psi are in 1 bar?
1 bar = 14.5038 psi. If you are converting in the opposite direction, use our Bar to PSI converter for the dedicated table and FAQ.
Is the psi to bar conversion exact?
Yes. Both units are defined by international agreement, so the factor of 0.0689476 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is psi used for?
Pounds per square inch (psi) is the US customary pressure unit, one pound-force applied to one square inch. Tire gauges, compressed air and hydraulics in the US are measured in psi.