Convert bar to psi
Converting bar to psi is a common pressure task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 bar equals 14.5038 psi, 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 bar to psi
To convert bar to psi, multiply the number of bar by 14.5038. For example, 10 bar × 14.5038 = 145.038 psi.
psi = bar × 14.5038
- Write down the value in bar you want to convert.
- Multiply it by 14.5038 (the exact bar→psi factor).
- The result is your value in psi. Check it below with the converter or the table.
Conversion table
Common values of bar and their equivalents in psi:
| bar | psi |
|---|---|
| 1 | 14.5038 |
| 2 | 29.0075 |
| 3 | 43.5113 |
| 4 | 58.0151 |
| 5 | 72.5189 |
| 10 | 145.038 |
| 20 | 290.075 |
| 25 | 362.594 |
| 50 | 725.189 |
| 100 | 1,450.38 |
| 250 | 3,625.94 |
| 500 | 7,251.89 |
About these units
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.
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.
Frequently asked questions
How do I convert bar to psi?
To convert bar to psi, multiply the number of bar by 14.5038. For example, 10 bar × 14.5038 = 145.038 psi. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many psi are in 1 bar?
1 bar = 14.5038 psi. That is the fixed relationship used by this converter and by international standards.
How many bar are in 1 psi?
1 psi = 0.0689476 bar. If you are converting in the opposite direction, use our PSI to Bar converter for the dedicated table and FAQ.
Is the bar to psi conversion exact?
Yes. Both units are defined by international agreement, so the factor of 14.5038 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is bar used for?
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.