What is the equivalent of a 315 tire in inches?

1 Answers
DelRiley
07/30/25 6:35am
315 tires are equivalent to 12.4 inches. The section width of tubeless tires is expressed in millimeters, while tubed tires are generally expressed in inches. 1 inch equals 25.4 mm, so 315 mm is approximately 12.4 inches. Tires are circular elastic rubber products assembled on various vehicles or machinery for rolling on the ground. They are usually mounted on metal rims, supporting the vehicle body, cushioning external impacts, ensuring contact with the road surface, and maintaining the vehicle's driving performance. Below are the functions of car tires: 1. Supporting the entire weight of the vehicle: Car tires support the entire weight of the vehicle, bear the load of the car, and transmit forces and moments in other directions. 2. Enhancing vehicle performance: Car tires transmit traction and braking torque to ensure good adhesion between the wheels and the road surface, improving the vehicle's power, braking, and off-road capabilities. They work together with the vehicle suspension to mitigate impacts during driving and dampen resulting vibrations. 3. Preventing early damage to vehicle components: Car tires prevent severe vibrations and early damage to vehicle components, adapt to the vehicle's high-speed performance, reduce driving noise, and ensure driving safety, handling stability, comfort, and energy efficiency.
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