# Sizes and markings

> What tire sizes, load indexes, speed ratings and other markings mean.

<https://tkr.az/en/blog/sizes-and-markings>

- [How to read a tire size: what does 205/55 R16 mean?](https://tkr.az/en/blog/tire-size-explained): We explain every number in a tire size in plain words: width, aspect ratio and rim diameter. We also show where to find the size for your car.
- [Tire speed rating: what do the letters mean?](https://tkr.az/en/blog/tire-speed-rating): Letters like T, H and V on a tire are its speed rating. Our chart shows the maximum speed for each letter and explains how to choose the right rating.
- [Tire load index: what do the numbers mean?](https://tkr.az/en/blog/tire-load-index): In 205/55 R16 91V, the number 91 is the load index. Look up the maximum load in kilograms for every index in our chart and pick the right tire.
- [Tire sidewall markings: how to read them](https://tkr.az/en/blog/tire-sidewall-markings): From 175/70 R13 82T to the DOT code, we explain every marking on a tire sidewall: size, load and speed ratings, TUBELESS, M+S and more.

[All posts](https://tkr.az/en/blog)