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 18x8.5 5x120 ET35 Flat Black
    Excl. VAT: £212.50 Incl. VAT: £255.00
    D154,18,8.5,5x120,ET35,Flat Black Learn More
  2. FF01 19x8.5 5x120 ET33 Flat Black
    Excl. VAT: £258.33 Incl. VAT: £310.00
    FF01,19x8.5,5x120,ET33,Flat Black Introducing the latest from Rota Wheels ~ the 360 Flow Forged FF01’s. Learn More
  3. FF01 19x8.5 5x120 ET45 Flat Black
    Excl. VAT: £258.33 Incl. VAT: £310.00
    FF01,19x8.5,5x120,ET45,Flat Black Introducing the latest from Rota Wheels ~ the 360 Flow Forged FF01’s. Learn More
  4. Grid 17x8 5x120 ET35 Flat Black
    Excl. VAT: £158.33 Incl. VAT: £190.00
    Grid,17,8,5120,ET35,Flat Black Learn More
  5. Grid 19x9.5 5x120 ET45 Steelgrey
    Excl. VAT: £245.83 Incl. VAT: £295.00
    Grid,19,9.5,5120,ET45,Steelgrey Learn More
  6. Grid Van 18x8.5 5x120 ET45 Steel Grey
    Excl. VAT: £180.83 Incl. VAT: £217.00
    Grid Van 18x8.5 5x120 ET45 Steel Grey. This is a speciality wheel to cater for the ever popular commercial vehicle sector. With a load rating of 955kg these can be safely fitted to many vans, campers and other vehicles requiring a larger load rating than that specified on most alloy wheels for cars and lighter car derived vans. Keeping the same distinctive look of the other wheels in the Rota Grid range, these are sure to look amazing when fitted. Available in common commercial vehicle PCDs and in a number of attractive colours. Learn More
  7. 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
  8. Pro R 19x8.5 5x120 ET30 Flat Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x120,ET30,Flat Black Learn More
  9. Pro R 19x8.5 5x120 ET45 Flat Black
    Excl. VAT: £229.17 Incl. VAT: £275.00
    Pro R,19x8.5,5x120,ET45,Flat Black Learn More
  10. RM100 18x9 5x120 ET40 Flat Black with Matte Polished Face

    Regular Price: £245.00

    Special Price Excl. VAT: £183.75 Incl. VAT: £220.50

    RM100,18,9,5120,ET40,Flat Black with Matte Polished Face Learn More

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