Legal

Terms of Service

Last updated: 10 November 2026.

1. Free tools, provided as-is

TyreCalc provides free calculators and guides for general information and planning. The site is provided “as is”, without warranties of any kind. We aim for accuracy, but tyre dimensions vary by manufacturer, fuel prices change daily, and real-world consumption varies with driving style and conditions.

2. Results are estimates, not safety approvals

Every result on this site is an estimate for planning. No result is a safety approval, a fitment guarantee, or professional advice. A calculation that says a tyre size is “within ±3%” is a diameter check only. Always check the size on your door-jamb placard and in your owner's manual, match or exceed the original load index and speed rating, and consult a tyre professional before fitting a different size. See the full Disclaimer.

3. Acceptable use

You may use the site for personal, non-commercial purposes. Do not scrape the site at a rate that degrades it for others, do not misrepresent TyreCalc results as your own professional advice, and do not use the site for any unlawful purpose.

4. Liability

To the fullest extent permitted by law, TyreCalc is not liable for any loss or damage arising from reliance on the site's calculations or guides, including any damage caused by fitting an unsuitable tyre or part. Fitment decisions are yours and your tyre professional's.

5. Changes

We may change these terms or the site at any time. Continued use after a change means you accept the new terms. Questions: see the contact page.