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. Torque 18x8.5 5x114 ET30 Gunmetal
    Excl. VAT: £212.50 Incl. VAT: £255.00
    Torque,18,8.5,5114,ET30,Gunmetal Learn More
  2. Sprint 18x8.5 5x100 ET48 Gunmetal
    Excl. VAT: £212.49 Incl. VAT: £254.99
    Sprint 18x8.5 5x100 ET48 Gunmetal Learn More
  3. Slipstream 18x8.5 5x114 ET30 Silver
    Excl. VAT: £212.50 Incl. VAT: £255.00
    Slipstream 18x8.5 5x114 ET30 Silver Learn More
  4. Slipstream 18x8.5 5x100 ET35 Silver
    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
  5. Slip 18x8.5 5x112 ET45 Silver
    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
  6. RT5 18x8.5 5x114 ET30 Gunmetal

    Regular Price: £255.00

    Special Price Excl. VAT: £191.25 Incl. VAT: £229.50

    RT5,18,8.5,5114,ET30,Gunmetal Learn More
  7. Pro R 19x8.5 5x112 ET45 Gunmetal
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x112,ET45,Gunmetal Learn More
  8. LC818 19x8.5 5x114 ET38 Gunmetal
    Excl. VAT: £183.33 Incl. VAT: £220.00
    LC818,19,8.5,5114,ET38,Gunmetal Learn More
  9. LC818 19x8.5 5x112 ET45 Gunmetal
    Excl. VAT: £183.33 Incl. VAT: £220.00
    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
  10. LC818 19x8.5 5x108 ET42 Gunmetal
    Excl. VAT: £183.33 Incl. VAT: £220.00
    The perfect fitting wheel for: Focus RS MK2 Focus RS MK2.5 Focus RS MK3 Focus ST2 Focus ST2.5 Focus ST3 Volvo C30 Learn More

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