What does 195/65r15 mean on a tire?

[LeHayden]

Tire specifications 195/65/r15 refer to the dimensional parameters of an automobile tire. The specific parameters of the aforementioned tire are as follows: Section Width: 195 indicates a section width of 195 millimeters. Aspect Ratio: 65 represents the aspect ratio, also known as the profile ratio, indicating that the section height is 65% of the width; the aspect ratio is a tire specification that refers to the percentage of the tire's section height relative to its maximum section width. Radial Tire: The letter R denotes that the tire is a radial tire; radial tires are a type of tire construction, distinct from bias-ply tires, arched tires, and adjustable-pressure tires. The international code for radial tires is "R," commonly referred to as "steel-belted tires." Wheel Diameter: 15 indicates a wheel diameter of 15 inches.