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 18x9.5 5x100 ET35 Hyper Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Torque,18,9.5,5100,ET35,Hyper Black Learn More
  2. SS10 18x9.5 5x114 ET38 Hyper Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    The perfect fitting wheel for: Honda - Civic Type R, Integra, S2000 Mazda MX5 (5 Stud) Toyota MR2 Suzuki Swift Sport Honda Stream (2001-2007) Subaru B9 Tribeca (2005+) Subaru Impreza WRX STi (2005-2007) Subaru Impreza WRX STi (2007-2010) Subaru Outback (2015+) Subaru WRX STi (2013+) Learn More
  3. SS10 18x8.5 5x114 ET44 Hyper Black
    Excl. VAT: £212.50 Incl. VAT: £255.00
    The perfect fitting wheel for: Honda - Civic Type R, Integra, S2000 Mazda MX5 (5 Stud) Toyota MR2 Suzuki Swift Sport Honda Stream (2001-2007) Subaru B9 Tribeca (2005+) Subaru Impreza WRX STi (2005-2007) Subaru Impreza WRX STi (2007-2010) Subaru Outback (2015+) Subaru WRX STi (2013+) Learn More
  4. Slip 18x9.5 5x114 ET30 Hyper Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Slip,18,9.5,5114,ET30,Hyper Black Learn More
  5. Slip 18x9.5 5x100 ET38 Hyper Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    A hugely popular wheel for the following vehicles: 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
  6. Slip 18x8.5 5x100 ET44 Hyper Black
    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
  7. Slip 18x10.5 5x120 ET22 Hyper Black
    Excl. VAT: £245.83 Incl. VAT: £295.00
    Slip,18,10.5,5120,ET22,Hyper Black Learn More
  8. Slip 18x10.5 5x114 ET12 Hyper Black
    Excl. VAT: £245.83 Incl. VAT: £295.00
    Slip,18,10.5,5114,ET12,Hyper Black Learn More
  9. Reeve 18x9.5 5x114 ET30 Hyper Black

    Regular Price: £234.00

    Special Price Excl. VAT: £175.50 Incl. VAT: £210.60

    Reeve,18,9.5,5114,ET30,Hyper Black Learn More
  10. ProR 18x9.5 5x114 ET38 Hyper Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    ProR,18,9.5,5114,ET38,Hyper Black Learn More

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