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. Sprint 18x8.0 5x120 ET45 Silver
    Excl. VAT: £191.66 Incl. VAT: £229.99
    Sprint 18x8.0 5x120 ET45 Silver Learn More
  2. Sprint 18x8.0 5x112 ET45 Silver
    Excl. VAT: £191.66 Incl. VAT: £229.99
    Sprint 18x8.0 5x112 ET45 Silver Learn More
  3. Sprint 18x8.0 4x108 ET40 Silver
    Excl. VAT: £191.66 Incl. VAT: £229.99
    Sprint 18x8.0 4x108 ET40 Silver Learn More
  4. Sprint 18x8.0 4x100 ET40 Silver
    Excl. VAT: £191.66 Incl. VAT: £229.99
    Sprint 18x8.0 4x100 ET40 Silver Learn More
  5. Slip 18x10.5 5x114 ET12 Silver
    Excl. VAT: £245.83 Incl. VAT: £295.00
    Slip,18,10.5,5114,ET12,Silver Learn More
  6. RSS 17x8 5x100 ET30 Silver
    Excl. VAT: £145.83 Incl. VAT: £175.00
    RSS,17,8,5100,ET30,Silver NEW for 2018 ~ The Rota RSS Ideal for many of the following cars. Toyota Avensis, Carina, Celica, GT86 & Prius MG ZT Rover 75 Subaru BRZ, Forester, Impreza, Legacy, Outback Audi A1, A2, A3, S1, S3 & TT Seat Ibiza, ST, Cupra, Leon & Toledo Skoda Fabia, Octavia, Rapid & Roomster VW Bora, Corrado VR6, Fox, Golf 3 (GTI only) Golf MK4, New Beetle, Passat, & 5 Stud Polo's As well as many more Learn More
  7. RB 15x8 4x100 ET30 White with Polished Lip
    Excl. VAT: £141.67 Incl. VAT: £170.00
    Hugely popular on: Mazda MX5 Mk1 (NA / Eunos Roadster) Mazda MX5 Mk2 (NB / Eunos Roadster) Mazda MX5 Mk2.5 (NB / Eunos Roadster) Learn More
  8. Kyusha 15x8 4x114 ET0 Black with Polished Lip
    Excl. VAT: £141.67 Incl. VAT: £170.00
    Kyusha,15x8,4x114,ET0,Black with Polished Lip Learn More
  9. Kyusha 15x8 4x100 ET0 Black with Polished Lip
    Excl. VAT: £141.67 Incl. VAT: £170.00
    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
  10. Grid 15x8 4x100 ET20 Silver
    Excl. VAT: £141.67 Incl. VAT: £170.00
    A very popular choice for the following vehicles: Honda Civic Mazda MX5 Mk1 (NA) Mazda MX5 Mk2 (NB) Mazda MX5 Mk2.5 (NB) Toyota Starlet Vauxhall Corsa Volkswagen Polo Volkswagen Golf Learn More

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