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. D154 17x8 4x108 ET42 Neo Chrome
    Excl. VAT: £191.67 Incl. VAT: £230.00
    D154,17,8,4108,ET42,Neo Chrome Learn More
  2. Force 17x8 5x100 ET35 Flat Black with Red Lip
    Excl. VAT: £158.33 Incl. VAT: £190.00
    Force,17,8,5100,ET35,Flat Black with Red Lip Learn More
  3. Grid 16x7 5x114 ET40 Neo Chrome
    Excl. VAT: £172.50 Incl. VAT: £207.00
    Grid,16,7,5114,ET40,NeoChrome Learn More
  4. Grid 17x7.5 5x100 ET45 Neo Chrome
    Excl. VAT: £183.33 Incl. VAT: £220.00
    Grid,17,7.5,5100,ET45,Neo Chrome Learn More
  5. Grid 17x7.5 5x114 ET45 Neo Chrome
    Excl. VAT: £183.33 Incl. VAT: £220.00
    A hugely popular wheel for the following vehicles: Honda Accord Honda Civic Type R (EP3) Hyundai Coupe Lexus IS200 Mazda 3 Mazda MX5 (MK3 NC) Suzuki Swift Sport Toyota Corolla Learn More
  6. Grid 17x8 5x114 ET42 Neo Chrome
    Excl. VAT: £191.67 Incl. VAT: £230.00
    Grid,17,8,5114,ET42,Neo Chrome Learn More
  7. Grid 17x9 5x114 ET25 Neo Chrome
    Excl. VAT: £204.17 Incl. VAT: £245.00
    Grid,17,9,5114,ET25,Neo Chrome Learn More
  8. Grid 18x8.5 5x114 ET30 Neo Chrome
    Excl. VAT: £245.83 Incl. VAT: £295.00
    Grid,18,8.5,5114,ET30,NeoChrome Learn More
  9. Grid 18x9.5 5x100 ET38 Neo Chrome
    Excl. VAT: £262.50 Incl. VAT: £315.00
    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
  10. Grid-V 15x8 4x100 ET0 Neo Chrome
    Excl. VAT: £175.00 Incl. VAT: £210.00
    Serious fitment wheels for the following vehicles - Arch work may be needed! Honda Civic Mazda MX5 Mk1 (NA) Mazda MX5 Mk2 (NB) Mazda MX5 Mk2.5 (NB) Suzuki Swift Toyota Starlet Vauxhall Corsa Learn More

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