Tire Size Guide

Contact

Last checked 12 October 2026Published by Sidewall GuideFormulas follow the Tire and Rim Association and ETRTO size conventions

Email us at hello@tire-size.example with a question or correction. We typically reply within two business days.

Corrections

Report a wrong figure

Include the sizes you entered and the figure you expected to see. If the figure appears on a particular page, include that page too so we can check the calculation and context.

Fitment questions

Vehicle-specific advice

This site cannot advise whether a tire or wheel setup fits a specific vehicle. Its size comparisons are estimates and do not check vehicle-specific clearance or requirements.

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