View Here : Tire Numbers Explained
Typically following the three digits identifying the tire's Section Width in millimeters is a two-digit number that identifies the tire's profile or aspect ratio. P225/ 50 R16 91S The 50 indicates that this tire size's sidewall height (from rim to tread) is 50% of its section width.
Is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.
What do the numbers on tires mean? There's a massive amount of information branded on the sidewall of every tire ... but it's written in code. The tire size is just one small piece of this code. The tire size "P225/45R17 91V" may not mean much to the average person, but to tire geeks like us it speaks volumes.
Car Tire Sizes Explained: What The Numbers and Letters on Your Tires Mean By Autotropolis Contributors On the side of every tire is an alphanumeric system that describes the tire and its performance characteristics.
Automobile tires are described by an alphanumeric tire code (in American English and Canadian English) or tyre code (in British English, Australian English and others), which is generally molded (or moulded) into the sidewall of the tire. This code specifies the dimensions of the tire, and some of its key limitations, such as load-bearing ability, and maximum speed.
Tire Width The 235 is the width of the tire in millimeters (mm), measured from sidewall to sidewall. Since this measure is affected by the width of the rim, the measurement is for the tire when it is on its intended rim size. Aspect Ratio This number tells you the height of the tire, from the bead to the top of the tread.
Car tire numbers are explained using the letters and numbers printed on the side of the tire. These numbers tell you the tires purpose, the complete dimensions, the total load/weight capacity, speed rating and more. These specifications are referred to as the tire code.
Tire Size Explained: Reading the Sidewall. Tire size can be confusing. Some numbers on the sidewall are listed in metric while others are in inches. Plus, the right size for your car, truck or trailer can differ depending on tire use and your driving habits. You can see your original equipment tire size in your owner’s manual.
A tire's load index is a measurement of how much weight each tire is designed to support. The larger the number, the higher the load capacity. This is one of the most important numbers on your tire.