Tyre Size Calculator
Compare your current tyre and wheel size with a new setup to see the difference in overall diameter, sidewall height, clearance and speedometer reading. Ideal for 4WD, ute and SUV owners choosing the right wheel and tyre package.
Current Size
Example: 265/65R17
New Size
Example: 285/70R17
How to Use This Wheel Size Calculator
Enter your current tyre size and compare it against your proposed wheel and tyre setup. This helps you understand how much taller or shorter your new combination will be and whether it may affect clearance, gearing and speedometer readings.