EngiRef / Pressure conversion
Convert PSI to Bars (psi to bar)
1 psi = 0.0689475729 bar. Convert PSI to bars with the exact factor, a common-values table and a free converter.
Conversion factor
bar = psi × 0.0689475729
1 psi = 0.0689475729 bar
Multiply by 0.0689475729 bar to go from PSI to bars, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
psi to bar table
| PSI (psi) | Bars (bar) |
|---|---|
| 1 psi | 0.0689475729 bar |
| 2 psi | 0.137895146 bar |
| 5 psi | 0.344737865 bar |
| 10 psi | 0.689475729 bar |
| 20 psi | 1.37895146 bar |
| 50 psi | 3.44737865 bar |
| 100 psi | 6.89475729 bar |
Every figure is computed at build time by the site’s own converter from the pressure unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many bars are in one PSI?
One PSI is 0.0689475729 bar, so 100 psi is 6.89475729 bar.
What is the formula to convert PSI to bars?
bar = psi × 0.0689475729. Multiply the value in PSI by 0.0689475729 to get bars.
How do I convert bars back to PSI?
psi = bar × 14.5037738, so 1 bar is 14.5037738 psi. The bar to psi page carries the same table in that direction.