Terms & conditions
Last updated: June 14, 2026
Important: Tire comparison results are estimates for planning only. This site does not provide mechanical certification, OEM approval, or on-vehicle clearance guarantees. Confirm final tire fitment, load/speed ratings, and speedometer calibration with a qualified tire professional or your vehicle and tire manufacturer before driving.
Agreement
By accessing or using this Tire Size Calculator website, you agree to these terms. If you do not agree, please discontinue use. These terms apply to informational features such as our vehicle tire upgrade calculator views, educational pages, and related content.
Informational use only
All tire comparison outputs, speedometer-related estimates, and geometry explanations are provided for general information and planning. Tire comparison results are estimates only. Engineering, clearance, load/speed ratings, and OEM requirements must be confirmed independently.
Tire fitment accuracy disclaimer
Real vehicles vary by trim, suspension, offset, brake package, market regulations, and wear state. Speedometer difference values may vary by vehicle because OEM calibration, tire wear, inflation pressure, and optional gear or tire packages can change real-world behavior. You must consult tire professionals or manufacturers before making vehicle changes.
User responsibility for vehicle decisions
You are solely responsible for how you use this site’s information, including any purchasing, installation, or modification decisions. The website is not responsible for vehicle modification decisions made based on calculator outputs or articles.
Acceptable usage
You agree not to misuse the service, including attempting to disrupt, overload, scrape in a way that harms performance, or circumvent security controls. Automated access must comply with our robots policy and applicable law.
Prohibited usage
Prohibited activities include unlawful use, harassment of others through the contact systems, uploading malware, or attempting unauthorized access to systems or data.
Intellectual property rights
Site design, branding, text, and software are protected by applicable intellectual property laws. You may use the calculator for personal, non-commercial planning unless otherwise agreed in writing.
Third-party links
The site may reference or link to third-party resources. We do not control third-party sites and are not responsible for their content, policies, or availability.
Limitation of liability
To the fullest extent permitted by law, the site and its operators disclaim liability for any indirect, incidental, special, consequential, or punitive damages, and for any loss of profits, data, or goodwill arising from your use of the tools. The service is provided “as is” without warranties of any kind, express or implied, including fitness for a particular purpose, except where prohibited by law.
Service modifications
We may modify, suspend, or discontinue features to improve performance, security, or clarity. Continued use after changes constitutes acceptance of the updated experience where permitted by law.
Contact
Questions about these terms may be sent through our contact page.