Everyday & LifestyleAutomotive Utility

Tire Size Calculator

Inputs

The first number on the sidewall, as in 225/45R17.

The second number: the sidewall height as a percentage of the width.

The number after the R, in inches.

Compare against your original tyre

Results

Enter values and calculate to see results.

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Disclaimer: This calculator provides mathematical estimates based on the information you enter. It is intended for educational and informational purposes only and does not constitute professional advice. Consult a qualified professional before making financial, legal, medical or commercial decisions.