Bar to PSI Tire Pressure Converter
Convert your tire pressure measurement from bar to standard Pounds per Square Inch (PSI).
Quick Answer
A tire pressure of 2.2 bar converts to exactly 31.9 PSI, which is the standard baseline recommendation for many European passenger cars. For a road bicycle tire, a high pressure of 7.0 bar converts to a massive 101.5 PSI.
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Pounds per square inch
Kilopascals
Bar
Common values
Common Bar to PSI Tire Pressures
| Bar | PSI | Common Application |
|---|---|---|
| 2.0 Bar | 29.0 PSI | Small European Cars |
| 2.2 Bar | 31.9 PSI | Standard Passenger Cars |
| 2.4 Bar | 34.8 PSI | Heavy Loaded Cars / SUVs |
| 3.0 Bar | 43.5 PSI | Light Trucks |
| 5.0 Bar | 72.5 PSI | Heavy-Duty / Commercial |
| 8.0 Bar | 116.0 PSI | Road Bicycles |
Formula
PSI = Bar × 14.5038
- Bar = metric pressure unit; 1 bar = 100,000 Pascals ≈ 1 atmosphere
- PSI = Pounds per Square Inch (imperial unit)
- Conversion factor = 14.5038
- Example: 2.2 bar × 14.5038 = 31.9 PSI