Welcome to Rota Wheels UK - the home of Rota Wheels in Europe

Tyre Size Calculator

Enter your existing wheel and tyre specification in 'Existing Setup' then enter the specification of your potentially new wheels and tyres to see what a difference it will make!

This tool is great for working out if your new wheels will give you more or less clearance to your suspension and wheel arches. If you have any questions or need help using it please do get in touch and we'll be happy to help you with it.

Existing setup

New setup

Tyre diagram

The image to the left shows your 'Existing' wheel and tyre (grey + black) with the 'New Setup' (green + black) overlaid.

This is a graphical representation of how your chosen change in wheel and tyre will affect your stance, poke and clearance.

To see the wheel to tyre ratio changes, and the Existing vs New tyres in profile select 'Tyre Image'.

For the measurements, take a look in the 'Data Table' tab.

Tyre image
Data table
ExistingNew
Tyre Diameter631.9mm625.3mm
Tyre Circumference1985.2mm1964.4mm
Additional PokeN/A
Inboard ClearanceN/A
Gearing ChangeN/A1.01%
Speedo at 30mph30mph
Speedo at 60mph60mph
Ride Height ChangeN/A
Arch Gap ChangeN/A

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  1. Pro R 18x8.5 5x100 ET44 Matte Bronze 3
    Excl. VAT: £212.50 Incl. VAT: £255.00
    The perfect fitting wheel for: Audi A3 (Spacers may be needed) Skoda Octavia (Spacers may be needed) Subaru BRZ Subaru Impreza Toyota GT86 VW Golf MKIV (Spacers may be needed) Learn More
  2. Pro R 18x8.5 5x112 ET45 Matte Bronze 3
    Excl. VAT: £212.50 Incl. VAT: £255.00
    Hugely popular wheels with the following vehicles and many more: Audi A3 Audi A4 Seat Leon Skoda Octavia VW Caddy VW Golf MkV VW Golf MkVI VW Golf MkVII Learn More
  3. Pro R 18x8.5 5x114 ET30 Matte Bronze 3
    Excl. VAT: £212.50 Incl. VAT: £255.00
    Pro R 18x8.5 5x114 ET30 Matte Bronze 3 Learn More
  4. Pro R 18x8.5 5x114 ET44 Matte Bronze 3
    Excl. VAT: £212.50 Incl. VAT: £255.00
    Pro R 18x8.5 5x114 ET44 Matte Bronze 3 Learn More
  5. Pro R 19x10 5x112 ET30 Matt Bronze 3
    Excl. VAT: £250.00 Incl. VAT: £300.00
    Pro R,19x10,5x112,ET30,MattBronze3 Learn More
  6. Pro R 19x10 5x114 ET20 Matt Bronze 3
    Excl. VAT: £250.00 Incl. VAT: £300.00
    Pro R,19x10,5x114,ET20,MattBronze3 Can be fitted to: Nissan 200sx S14/S14a/S15 (or 5 stud S13) Nissan Skyline GTS-T / GTT / GTR Nissan 350Z Nissan 370Z Toyota Supra Mk4 Toyota Soarer Mazda RX7 Mitsubishi Evo V-X Many other Japanese cars. Depending on your cars set up you may require arch work and or spacers to fit. If you are unsure of fitment please ask. Learn More
  7. Pro R 19x8.5 5x112 ET45 Matt Bronze 3
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x112,ET45,Matt Bronze 3 Learn More
  8. Pro R 19x8.5 5x120 ET30 Matt Bronze 3
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x120,ET30,Matt Bronze 3 Learn More
  9. Pro R 19x8.5 5x120 ET45 Matt Bronze 3
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x120,ET45,Matt Bronze 3 Learn More
  10. Pro R 19x9 5x108 ET42 Matt Bronze 3
    Excl. VAT: £237.50 Incl. VAT: £285.00
    Pro R,19x9,5x108,ET42,Matt Bronze 3 Learn More

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