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What unit is used to measure tire pressure?

1 Answers
ZacharyLee
07/30/25 1:54am
Tire pressure is measured in bar. The units for tire pressure include bar, kPa, and psi, with bar being the most commonly used. The conversion formulas between these units are: 1 bar equals 100 kPa equals 14.5 psi. Tire pressure refers to the air pressure inside the tire and is considered the 'blood pressure' of a car. The level of tire pressure plays a crucial role in the performance and power of the vehicle. Tire pressure is also an indicator of the car's load capacity. The load capacity of a car depends on the tire pressure level. According to the relationship between the tire's load index, tire pressure, and load capacity, higher tire pressure increases the load capacity, while lower pressure reduces it.
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