Changing tyre sizes? Fitting bigger alloy wheels? Then use this invaluable converter. It’s purpose is to give you a list of possible tyres that will fit your car, however big the rim on those new alloys. All the tyres listed will not alter your gearing, and your speedometer will still be accurate.
Simply click on the tyre size that’s standard for your car, and the calculator will produce a list of possible fitments that retain the same rolling radius.
Please remember that although a tyre may have a similar radius, it doesn’t mean it will fit either your rim or under the wheel arch. If you do have a question please click ask an engineer
Your tyres are important pieces of equipment. It is essential that the you select tyres that are appropriate to the maximum speed and weight of your vehicle. The tables here will let you know exactly how fast and carrying how much load your tyres can take.
