Terms of Service
TireCalculatorPro's calculators are free estimation tools, not a substitute for a tire manufacturer's specifications or a qualified technician. Effective July 13, 2026.
1. Acceptance of terms
By using TireCalculatorPro, you agree to these terms. If you do not agree, do not use the site.
2. What this service is
TireCalculatorPro provides free calculators for tire size, pressure, DOT date codes, load index, speed rating, and vehicle fitment. Results are estimates based on the values you enter and published tire industry formulas — they are informational and are not a certification of fitment, safety, or legal compliance for any specific vehicle.
3. Not a substitute for expert advice
Tire and wheel decisions affect vehicle handling, braking, and safety. Before buying tires, changing sizes, or altering inflation pressure, confirm the result against your vehicle's owner's manual, the tire's sidewall markings, or a qualified tire technician. Do not rely on this site alone for load ratings, speed ratings, or fitment decisions where an error could cause harm.
4. AI Insight disclaimer
Some calculators offer an optional AI-generated summary of your result. This content is generated by a third-party language model, may contain errors, and is clearly labeled wherever it appears. Verify any safety-critical conclusion — load capacity, speed rating, tire age — independently before acting on it.
5. No warranty
The site and its calculators are provided “as is” without warranties of any kind, express or implied, including accuracy, fitness for a particular purpose, or non-infringement. Tire specifications and vehicle data change over time and may not reflect the current state of a given model year or trim.
6. Limitation of liability
To the fullest extent permitted by law, TireCalculatorPro is not liable for any damages — direct, indirect, incidental, or consequential — arising from use of, or reliance on, this site or its calculators, including damages from tire or wheel fitment decisions made using calculator results.
7. Intellectual property
The calculators, layout, and written content on this site belong to TireCalculatorPro unless otherwise credited. You may link to any page freely; you may not copy the calculator code or bulk-republish the reference tables without permission.
8. Third-party links
Links to manufacturer sites, government resources, or other external pages are provided for reference. TireCalculatorPro does not control and is not responsible for the content of those sites.
9. Changes to these terms
These terms may be updated as calculators are added or changed. Continued use of the site after an update means you accept the revised terms.
10. Contact
Questions about these terms can be sent to tirecalculatorpro@outlook.com. See also the Privacy Policy.