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Find Tyres UK

Tyre Size Finder

Find Tyres by Size UK

Enter your UK tyre size to decode the width, profile, rim, load index and speed rating. Then explore guidance for that size before fitting.

Tyre Size Checker

Enter a UK tyre size such as 205/55 R16 91V to decode the width, profile, rim, load index and speed rating.

Find your tyre size on the sidewall, the driver's door frame, fuel flap or vehicle handbook.

Reading a UK tyre size

A typical UK tyre size looks like 205/55 R16 91V. Each part tells you something specific about the tyre.

  • 205 — section width in millimetres
  • 55 — profile (sidewall height as a percentage of width)
  • R — radial construction
  • 16 — wheel rim diameter in inches
  • 91 — load index, mapped to a maximum weight per tyre
  • V — speed rating, mapped to a maximum speed

Always match or exceed the original load index and speed rating. If in doubt, check your vehicle handbook or ask a qualified UK tyre fitter.

Find tyres by popular sizes

Browse some of the most common UK tyre sizes. Always confirm the size on your tyre sidewall before fitting.

Frequently asked questions

Quick answers about UK tyre fitment, MOT rules and seasonal options.

  • How do I find my tyre size?

    Look at the sidewall of your tyre. A typical UK tyre size looks like 205/55 R16 91V. You can also find it inside the driver's door frame, the fuel flap or your vehicle handbook.

  • What does each part of a tyre size mean?

    Width is in millimetres, profile is the sidewall height as a percentage of the width, R means radial construction, the next number is the rim size in inches, then the load index and speed rating.

  • Can I fit a different tyre size?

    Only fit a size approved for your specific vehicle. Changing the size, load index or speed rating can affect handling, braking, fuel economy and MOT compliance.

  • Where can I find tyres in this size?

    Tyre Finder UK doesn't sell tyres. Once you know your size, type and budget, choose a trusted UK tyre fitter or retailer who can confirm fitment and price.

Tyre Finder UK provides general tyre guidance only. We do not guarantee tyre fitment, local stock, prices or fitting availability. Always confirm your tyre size, load rating, speed rating and vehicle requirements using your current tyre sidewall, vehicle handbook, manufacturer guidance or a qualified tyre fitter before fitting.