Pound per square inch to Bar Converter
1 psi = 0.068948 bar — convert instantly with formula and table.
Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.
Quick answer: one pound per square inch equals 0.068948 bars. So to convert pounds per square inch to bars, multiply by 0.06894757.
How to convert pounds per square inch to bars
bars = pounds per square inch × 0.0689475729
PSI is the imperial pressure unit of American tire gauges (32–35 psi for cars) and industrial equipment.
The bar (100,000 Pa) sits conveniently close to one atmosphere, which made it the favorite of meteorologists and scuba divers.
Pound per square inch to Bar conversion table
| Pound per square inch (psi) | Bar (bar) |
|---|---|
| 0.01 psi | 0.00068948 bar |
| 0.1 psi | 0.006895 bar |
| 0.25 psi | 0.017237 bar |
| 0.4 psi | 0.027579 bar |
| 0.75 psi | 0.051711 bar |
| 1.25 psi | 0.086184 bar |
| 1.75 psi | 0.120658 bar |
| 2.5 psi | 0.172369 bar |
| 3.5 psi | 0.241317 bar |
| 4.5 psi | 0.310264 bar |
| 6 psi | 0.413685 bar |
| 8 psi | 0.551581 bar |
| 10 psi | 0.689476 bar |
| 12 psi | 0.827371 bar |
| 14 psi | 0.965266 bar |
| 16 psi | 1.1032 bar |
| 18 psi | 1.2411 bar |
| 20 psi | 1.379 bar |
| 24 psi | 1.6547 bar |
| 26 psi | 1.7926 bar |
| 30 psi | 2.0684 bar |
| 35 psi | 2.4132 bar |
| 45 psi | 3.1026 bar |
| 55 psi | 3.7921 bar |
| 65 psi | 4.4816 bar |
| 75 psi | 5.1711 bar |
| 85 psi | 5.8605 bar |
| 95 psi | 6.55 bar |
| 110 psi | 7.5842 bar |
| 125 psi | 8.6184 bar |
| 175 psi | 12.0658 bar |
| 250 psi | 17.2369 bar |
| 350 psi | 24.1317 bar |
| 450 psi | 31.0264 bar |
| 600 psi | 41.3685 bar |
| 750 psi | 51.7107 bar |
| 900 psi | 62.0528 bar |
| 1,500 psi | 103.4214 bar |
| 2,500 psi | 172.3689 bar |
| 10,000 psi | 689.4757 bar |
Need the opposite direction? Use the Bar to Pound per square inch converter, or read our complete guide to pressure conversions for every formula in one place.
Frequently asked questions
How many bars are in one pound per square inch?
One pound per square inch equals 0.068948 bars. Multiply any pound per square inch value by 0.06894757 to get bars.
What is 10 pounds per square inch in bars?
10 pounds per square inch equal 0.689476 bars (10 × 0.068948).
Is the pound per square inch to bar conversion exact?
The conversion factor used here (0.0689475729) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.