Check Any Tyre Size, Code or Rating
Every tyre carries a code like 205/55 R16 91V. It packs in the width, sidewall profile, rim size, load capacity and speed rating — and this site decodes all of it. Pick a size below, look up a speed rating or load index, or start with how to read a tyre size.
Find your size
/ R Check size →
Pick the three numbers from your sidewall — e.g. 205 / 55 R16. Or compare two sizes with the comparison calculator.
Most-checked tyre sizes
- 205/55 R16
- 225/45 R17
- 195/65 R15
- 225/40 R18
- 215/55 R17
- 225/50 R17
- 185/65 R15
- 205/60 R16
- 235/35 R19
- 175/65 R14
- 215/60 R16
- 255/55 R18
Browse by rim size
Guides
Best tyre picks
As an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Tyre Care Essentials
Last updated:
Data: computed reference values (ETRTO tyre-size arithmetic), build date 22 July 2026. Reference only — always follow your vehicle manufacturer's placard or handbook.