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.

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

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 …

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.

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.

6 days ago · Learn how to read a tire size chart and compare tire sizes safely. A complete guide for drivers, DIYers, and off-road enthusiasts.

Nov 8, 2025 · Luckily, you have four tries as you walk from corner to corner. Look for a string of numbers and characters that looks something like the image above. It will be broken into three …

Tire size codes may look like a jumble of numbers and letters, but each component conveys important information about the tire's dimensions and capabilities.

If you know your tires are the original equipment (OE) tires that came with the vehicle, you can check the tires' sidewalls for the size. Regardless of where you find it, you will need to know …

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.