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

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.

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.

Learn how to read tire sizes with our comprehensive tire size chart. Find the right tires for cars, SUVs, and trucks safely and easily.

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.

Jun 29, 2023 · Tire size specifications are outlined by the numbers and letters found on the sidewall of tires. It is important that we understand tire geometry and be informed of the parameters that govern …

By understanding each component of the tire size code, you can ensure you select the correct tires for your vehicle’s specifications, driving conditions, and performance needs.

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 …

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.