Tyre Size Calculator
Calculate tyre dimensions or compare different tyre sizes to see how they affect your vehicle's performance.
Tyre Size Input
Enter tyre size to calculate dimensions
Understanding Tyre Sizes
Learn how to read and interpret tyre size markings
Tyre Size Notation
Tyre sizes are typically expressed in a standardized format like 225/45R17, which contains critical information about the tyre's dimensions and construction.
Understanding this notation helps you make informed decisions when replacing tyres or upgrading your vehicle's wheels.
225/45R17
Width:225 mm
Aspect Ratio:45%
Construction:Radial
Rim Diameter:17 inches