PSI to Bar Converter
Convert PSI to bar and back for tires, compressors and workshop pressure settings.
Last updated: May 2026
Enter a value to see the conversion instantly.
How to use this converter
Enter a value in the input field to instantly see the equivalent in the target unit. Use the quick buttons for common values, or click the swap button to reverse the conversion direction. bar = PSI × 0.0689475729
Common reference values
| PSI | bar |
|---|---|
| 14.50 | 1.00 |
| 29.01 | 2.00 |
| 36.26 | 2.50 |
| 43.51 | 3.00 |
Frequently Asked Questions
What is the exact conversion from PSI to bar?
1 PSI (pound-force per square inch) equals approximately 0.0689476 bar. This ratio is used in tire pressures, compressors, and hydraulic equipment across North America and internationally.
Where are PSI and bar used?
PSI is the primary pressure unit in the USA and imperial countries. Bar is used internationally and in scientific work. Both are common on pressure gauges and equipment specifications.
Which is higher—PSI or bar?
Bar is larger than PSI. 1 bar ≈ 14.5 PSI. So the same pressure reading in bar will be a much larger number in PSI.