Step 1: Enter the original tyre size and the new wheel size into the form below.
Step 2: Click "Calculate" to get a table of possible tyre sizes for your vehicle.
Powered by Tyre Size Calculator
The optional tyres have a diameter in the range of -3% to +4% of the difference between the outer tyre diameter and the wheel diameter (D-W). This formula is used by leading tyre manufacturers
Tyre interchangeability is not always possible, so be sure to call us before deciding on which tyres you would like to purchase.
This calculator is a great guide, however, when road safety is of a paramount concern, you should be aware that results generated are for an informative purpose only.
Now that many states have a "Zero" tolerance for speed infringement, it's even more important to understand what will happen when your wheel & tyre size changes.
So use our Tyre Size Calculator to get an idea of what you can fit to your vehicle, and still have the confidence that your speedo is giving you the right reading..
Then call our workshop to get the very best prices in Brisbane for your new set of rubber!