Reading a tire size goes beyond "is it a 13,14, or 15 inch tire?" What is called a 14 inch tire is a tire that fits onto a 14 inch rim. The distance from the rim to the edge of the tire is the next most important issue when determining which tires are needed. The third element of tire size is the width of the tread.
How to Read Tire Ratings Tires are much more than black, round and made of rubber. Thousands of different tire models are on the market today, each one designed to fit a specific type of vehicle and driving condition.
Related posts to how to read tire size
The two digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215 65 R15 tire, the 65 means that the height is equal to 65 of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be..
How to read tire size in inches is very straight forward. Example A 33X12.50R15 The first number is your overall diameter of the tire. In this example the tire diameter or “height” is 33 inches tall..
ST = If a tire size begins with “ST,” it signifies the tire is a “Special Trailer Service” size that was designed to only be used on boat, car or utility trailers. ST sized tires should never be used on cars, vans or .
The first three digits indicate the section width, or cross section, of the tire in millimeters. The section width is defined as the widest point of the inside sidewall to the widest point of the outside sidewall when mounted on an appropriate wheel . For this ZE950 tire, the section width is 245 millimeters or 9.6 inches..