Sizes and markings
How to read a tire size: what does 205/55 R16 mean?
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.
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Sizes and markings
What tire sizes, load indexes, speed ratings and other markings mean.
Sizes and markings
Tire speed rating: what do the letters mean?
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.
Sizes and markings
Tire load index: what do the numbers mean?
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.
Sizes and markings
Tire sidewall markings: how to read them
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.
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