Bar to Psi Converter (bar to psi)
Enter a value in bar to see it in psi instantly, or type in the psi box to convert the other way. 1 bar = 14.503774 psi, and 1 pound per square inch = 0.068947573 bar.
Multiply bar by 14.5038. 2.2 bar is 31.9 psi, 2.5 bar is 36.3 psi and 9 bar (an espresso machine) is 130.5 psi.
1 bar = 14.503774 psi. Formula: psi = bar × 14.503774 (or bar ÷ 0.068947573)
1 bar in all pressure units
| Pascals (Pa) | 100,000 |
| Kilopascals (kPa) | 100 |
| Megapascals (MPa) | 0.1 |
| Millibar (mbar) | 1,000 |
| Psi (psi) | 14.503774 |
| Atmospheres (atm) | 0.98692327 |
| MmHg (mmHg) | 750.06158 |
| Kgf/cm² (kgf/cm²) | 1.0197162 |
| InHg (inHg) | 29.52998 |
How to convert bar to psi
psi = bar × 14.503774
Multiply the number of bar by 14.503774. To convert psi back to bar, multiply by 0.068947573, or divide by 14.503774.
Example: 5 bar × 14.503774 = 72.518869 psi.
Bar to Psi conversion table
| Bar | Psi |
|---|---|
| 1 bar | 14.503774 psi |
| 2 bar | 29.007548 psi |
| 3 bar | 43.511321 psi |
| 4 bar | 58.015095 psi |
| 5 bar | 72.518869 psi |
| 6 bar | 87.022643 psi |
| 7 bar | 101.52642 psi |
| 8 bar | 116.03019 psi |
| 9 bar | 130.53396 psi |
| 10 bar | 145.03774 psi |
| 12 bar | 174.04529 psi |
| 15 bar | 217.55661 psi |
| 20 bar | 290.07548 psi |
| 25 bar | 362.59434 psi |
| 30 bar | 435.11321 psi |
| 40 bar | 580.15095 psi |
| 50 bar | 725.18869 psi |
| 60 bar | 870.22643 psi |
| 70 bar | 1,015.2642 psi |
| 75 bar | 1,087.783 psi |
| 80 bar | 1,160.3019 psi |
| 90 bar | 1,305.3396 psi |
| 100 bar | 1,450.3774 psi |
| 200 bar | 2,900.7548 psi |
| 250 bar | 3,625.9434 psi |
| 500 bar | 7,251.8869 psi |
| 1,000 bar | 14,503.774 psi |
| Psi | Bar |
|---|---|
| 1 psi | 0.068947573 bar |
| 2 psi | 0.13789515 bar |
| 3 psi | 0.20684272 bar |
| 4 psi | 0.27579029 bar |
| 5 psi | 0.34473786 bar |
| 6 psi | 0.41368544 bar |
| 7 psi | 0.48263301 bar |
| 8 psi | 0.55158058 bar |
| 9 psi | 0.62052816 bar |
| 10 psi | 0.68947573 bar |
| 12 psi | 0.82737088 bar |
| 15 psi | 1.0342136 bar |
| 20 psi | 1.3789515 bar |
| 25 psi | 1.7236893 bar |
| 30 psi | 2.0684272 bar |
| 40 psi | 2.7579029 bar |
| 50 psi | 3.4473786 bar |
| 60 psi | 4.1368544 bar |
| 70 psi | 4.8263301 bar |
| 75 psi | 5.171068 bar |
| 80 psi | 5.5158058 bar |
| 90 psi | 6.2052816 bar |
| 100 psi | 6.8947573 bar |
| 200 psi | 13.789515 bar |
| 250 psi | 17.236893 bar |
| 500 psi | 34.473786 bar |
| 1,000 psi | 68.947573 bar |
About the bar and the pound per square inch
The bar is exactly 100,000 pascals, close to average sea-level air pressure. Tyre pressure gauges and espresso machines in Europe and Asia use bar.
Pounds per square inch is the tyre pressure and plumbing unit in the US and the UK. A typical car tyre runs at 30 to 35 psi.
Frequently asked questions
How many psi are in a bar?
There are 14.503774 psi in 1 bar. For any number of bar, multiply by 14.503774.
How many bar are in a pound per square inch?
1 pound per square inch = 0.068947573 bar. To convert psi to bar, multiply by 0.068947573 or divide by 14.503774.
What is 5 bar in psi?
5 bar = 72.518869 psi (5 × 14.503774).
Is the bar to psi conversion exact?
Yes. The bar is defined as exactly 100,000 pascals, the standard atmosphere as exactly 101,325 Pa, and psi follows from the exact pound-force and inch, giving 6,894.757293168 Pa. Results are rounded to eight significant digits for display.
Related calculators
Last updated . Formulas are shown on the page and checked against the worked example.
Conversion factors are exact international definitions where one exists and standard reference values elsewhere. Results are rounded to 8 significant digits.