Everything you need to know about tire sizes and how to understand what the numbers on the sidewall mean. See our helpful sizing charts.

1 day ago · The numbers and letters on a car tire may seem confusing, but they're actually relatively simple once you understand them. Here's what they mean.

Oct 15, 2025 · CR explains the cryptic sidewall codes on a typical tire, explaining how to decode tire size, load index, maximum pressure, speed rating, and more.

Jun 26, 2022 · In this article we will break down the meaning of each tire size measurement in plain English and include some helpful illustrations so you can easily understand what …

Mar 26, 2025 · Tire size refers to the specific dimensions and capabilities of a tire, which are indicated by a combination of numbers and letters found on the sidewall. These markings …

Discover what all the letters and numbers on your tire mean, from width to speed rating. Use this guide to decode tire size and find the perfect fit for your vehicle.

With a little explanation it's easy to understand what all of the letters and numbers mean on your tire's sidewall. The numbers are indicators of the size, type, and performance of the tire. Enter …

Dec 22, 2025 · Decipher every number on your tire to determine its exact dimensions, performance capacity, manufacturing age, and safety grades.

What do those tire markings mean? In this article, you will learn to read a tire size and its maximum load and speed and find out how the brand, range and tire type, are shown on your …

Decode tire size numbers and understand what each digit means. Learn to read tire size codes like 225/65R17, including width, aspect ratio, construction type, and rim diameter with our …