How to convert PSI to bars
bar = psi × 0.06894757293
Example: 5 psi × 0.06894757293 = 0.3447378647 bar
PSI to Bars table
| PSI (psi) | Bars (bar) |
|---|---|
| 0.5 psi | 0.034473786 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 |
| 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 |
| 75 psi | 5.171068 bar |
| 100 psi | 6.8947573 bar |
| 250 psi | 17.236893 bar |
| 500 psi | 34.473786 bar |
| 1,000 psi | 68.947573 bar |
About these units
PSI (psi): Pounds per square inch (psi) is used for tyre pressure, compressors and hydraulics in the US.
Bars (bar): One bar is exactly 100,000 pascals, close to atmospheric pressure at sea level. Tyre and gauge pressures in Europe and Asia are often in bar.
Frequently asked questions
How many bars are in 1 PSI?
1 PSI equals 0.06894757293 bars.
How do I convert psi to bar?
Multiply the value in PSI by 0.06894757293. For example, 5 psi × 0.06894757293 = 0.3447378647 bar.
How do I convert bars back to PSI?
Multiply by 14.50377377 (or divide by 0.06894757293). 1 bar = 14.50377377 psi.
What is a PSI?
Pounds per square inch (psi) is used for tyre pressure, compressors and hydraulics in the US.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every pressure unit at once? Use the Pressure Converter.