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

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.

Dec 30, 2025 · The numbers on a tire's sidewall provide information about its size, manufacture date, load rating, speed rating, and maximum pressure levels.

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.

How to read tire size is complicated. Learn how to read tire size, use our tire size converter, or browse our tire size conversion charts.

Nov 8, 2025 · Car Talk tire experts take a look at how to read tire sizes. Read on for information explaining tire sizes, how they function, and how to quickly identify them.

May 20, 2025 · Thankfully, most of what you need to know about a set of tires is written on their sidewalls. The numbers show tire ratings, their size, and the type of weather they can handle.

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 your …

If you’re unsure of how to read tire measurements from your tire walls, the information and graphics below will tell you how to read tire size, understand and interpret it.

May 17, 2025 · Learn how to decode tire size numbers like a pro. This 2025 beginner’s guide explains each part of the tire code, how to choose the right size, and how tire size affects safety, comfort, and …