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. BM8 15x8 4x100 ET10 Matte Bronze
    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
  2. Grid 17x8 5x110 ET35 Matte Bronze
    Excl. VAT: £158.33 Incl. VAT: £190.00
    Grid,17,8,5110,ET35,Matte Bronze Learn More
  3. Grid 17x8 5x120 ET35 Flat Black
    Excl. VAT: £158.33 Incl. VAT: £190.00
    Grid,17,8,5120,ET35,Flat Black Learn More
  4. Grid 19x10 5x112 ET25 Flat Black
    Excl. VAT: £250.00 Incl. VAT: £300.00
    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
  5. LC818 19x10 5x112 ET25 Flat Black
    Excl. VAT: £195.83 Incl. VAT: £235.00
    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. MXR 18x10 5x114 ET12 Gold with Polished Lip
    Excl. VAT: £237.50 Incl. VAT: £285.00
    MXR,18,10,5114,ET12,Gold with Polished Lip Learn More
  7. OSMesh 15x8 4x100 ET20 Gold with Polished Lip
    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
  8. Pro R 19x10 5x120 ET37 Flat Black
    Excl. VAT: £250.00 Incl. VAT: £300.00
    Pro R,19x10,5x120,ET37,FlatBlack Can be fitted to: BMW 3 Series E46, M3 Many other BMW's 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
  9. RB 15x8 4x100 ET30 Gold 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
  10. RKR 15x8 4x100 ET0 Flat Gunmetal 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

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