Pressure Converter
Convert between PSI, Bar, kPa, atmospheres, and mmHg. Perfect for tires, engineering, and weather.
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🚗 Common Tire Pressures
| Vehicle Type | PSI | Bar |
|---|---|---|
| Passenger car | 32-35 PSI | 2.2-2.4 bar |
| SUV/Truck | 35-40 PSI | 2.4-2.8 bar |
| Bicycle (road) | 80-130 PSI | 5.5-9.0 bar |
| Motorcycle | 28-40 PSI | 1.9-2.8 bar |
📚 About Pressure Conversion
Pressure measures force per unit area. PSI (pounds per square inch) is common in the US, while Bar and kPa are used internationally. 1 Bar ≈ 14.5 PSI and equals approximately atmospheric pressure at sea level.
For tire pressure, most passenger cars require 32-35 PSI (2.2-2.4 bar). Check your car's door jamb for the manufacturer's recommended pressure. Proper tire pressure improves fuel efficiency, handling, and tire life.