Tyre Size Calculator

Understand tyre sizes and find compatible alternatives

Tyre Size Diagram showing Section Width, Overall Diameter, and Rim Diameter

Enter Tyre Size

Try these sizes:

185/70R14 205/55R16 265/70R16 33×12.50R15 195R15C

Size Breakdown

Why Tyre Size Matters

Using the correct tyre size ensures optimal vehicle performance, fuel efficiency, and safety. Incorrect sizes can affect speedometer accuracy, handling, and may cause rubbing against the vehicle body. Always consult your vehicle's manual or the placard on the driver's door jamb.

Find Alternative Tyre Sizes

Enter your current tyre size to see compatible alternatives with minimal diameter change.