The ten most common tire heights for personal vehicles range from 24.88 inches to 32.07 inches. The top ten heights for light trucks range from 29.29 inches to 34.07 inches. These ranges comprise 32.6 percent of tire sizes for personal vehicles and 22.5 percent of tire sizes for light trucks.
Tire size is calculated based on information branded into the side of a tire. For example, P215/55R17 means the tire is made for a passenger vehicle and measures 215 millimeters from the outside of the tire to the rim with an aspect ratio of 55 percent and a wheel diameter of 17 inches.