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
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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
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- Data table
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Existing New Tyre Diameter 631.9mm 625.3mm Tyre Circumference 1985.2mm 1964.4mm Additional Poke N/A Inboard Clearance N/A Gearing Change N/A 1.01% Speedo at 30mph 30mph Speedo at 60mph 60mph Ride Height Change N/A Arch Gap Change N/A
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Excl. VAT: £141.67 Incl. VAT: £170.00Serious 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 -
Excl. VAT: £141.67 Incl. VAT: £170.00Serious 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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Excl. VAT: £141.67 Incl. VAT: £170.00Serious 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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Excl. VAT: £154.17 Incl. VAT: £185.00BM8,15,9,4114,ET0,Gloss Black with Polished Face Learn More -
Excl. VAT: £141.67 Incl. VAT: £170.00R20 15x6 4x100 ET29 Silver with Black Centre - Carefully sized for E10 BMW models; 15x6.0 ET29 - Lightweight: 6.33kg - Optional Centre Cap Plate Learn More -
Excl. VAT: £270.83 Incl. VAT: £325.00Titan Plus,19x9.5,5x114,ET22,Flat Black 2 Introducing the latest from Rota Wheels ~ the Titan Plus Learn More -
Excl. VAT: £270.83 Incl. VAT: £325.00Titan Plus,19x9.5,5x114,ET22,Silver Introducing the latest from Rota Wheels ~ the Titan Plus Learn More -
Excl. VAT: £270.83 Incl. VAT: £325.00Titan Plus,19x9.5,5x114,ET22,White Introducing the latest from Rota Wheels ~ the Titan Plus Learn More -
Excl. VAT: £139.17 Incl. VAT: £167.00Torque 16x7.0 4x100 ET27 Flat Black - Lotus Elise S2 & Exige (front wheel) Specified perfectly for the front of a Lotus Elise S2 or Lotus Exige, with the correct 4x100 PCD and 56.7mm centre bore. These can be paired with our 17x8.0, ET35 rear wheels to provide a full set in the perfect dimensions. Designed to accept the original Lotus Centre caps. Learn More
