Convert pounds per square inch to bar
Enter a value in pounds per square inch (psi) to get bar (bar). One pound per square inch is 0.068948 bar; one bar is 14.5038 pounds per square inch.
How to use the Pound per square inch to bar
- Type the number of pounds per square inch.
- Click Convert.
- Read the result in bar, plus the same value in every other pressure unit.
psi to bar formula
bar = pounds per square inch × 0.068948. To go the other way, pounds per square inch = bar × 14.5038 (see bar to pounds per square inch).
Worked example
12 psi × 0.068948 = 0.827371 bar.
Pounds per square inch to bar conversion table
| Pounds per square inch | Bar |
|---|---|
| 0.1 psi | 0.006895 bar |
| 0.5 psi | 0.034474 bar |
| 1 psi | 0.068948 bar |
| 2 psi | 0.137895 bar |
| 3 psi | 0.206843 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 20 psi | 1.379 bar |
| 25 psi | 1.7237 bar |
| 50 psi | 3.4474 bar |
| 100 psi | 6.8948 bar |
| 250 psi | 17.2369 bar |
| 500 psi | 34.4738 bar |
| 1,000 psi | 68.9476 bar |
About the pound per square inch
Tyre and hydraulic pressure in the USA and UK.
About the bar
Almost exactly one atmosphere. Tyres, scuba tanks and espresso machines in Europe.
Related conversions
bar to pounds per square inch · pounds per square inch to pascals · pounds per square inch to kilopascals · any unit.
Frequently asked questions
How many bar in a pound per square inch?
0.068948 bar.
How many pounds per square inch in a bar?
14.5038 pounds per square inch.
Is the factor exact?
The factor 0.068948 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.