Last updated: June 2026
These Terms of Use apply when you visit or use betROI.xyz. If you continue to use betroi.xyz, you are agreeing to these terms; if not, please stop using the site.
betROI.xyz offers free, single-purpose calculator tools related to betting odds, expected value, ROI, and Kelly criterion math. The site is meant to help users work through numerical scenarios and understand the underlying calculations.
All calculators and tools on betROI.xyz are provided for informational and educational purposes only. Results produced by our tools do not constitute financial, legal, or betting advice.
Although the tools are designed to be useful, we do not promise that any output will be error-free, complete, or appropriate for your particular circumstances. You should confirm important figures on your own before acting on them.
betROI.xyz does not promote, endorse, or facilitate gambling. Our tools are designed to help users understand mathematics and statistics related to betting. Use of these tools does not constitute a recommendation to gamble.
Gambling can be addictive and harmful. If you or someone you know has a gambling problem, please seek help at National Council on Problem Gambling or call 1-800-522-4700.
This website is intended for users aged 18 or older. By using this site, you confirm that you are at least 18 years of age.
We also do not knowingly seek or gather information from children under 13.
The calculator functions on betROI.xyz run client-side in your browser. betROI.xyz does not ask you to create an account, and the site itself does not gather user-submitted personal information in order to perform calculations.
betROI.xyz uses Google Analytics 4 for traffic and usage measurement, with Google tag ID G-CFT50T40EY. This helps us understand general site activity and improve the tool.
This site does not place advertising cookies or separate tracking cookies of its own. However, GA4 cookies and ordinary browser or network technical cookies may still be used as part of analytics delivery, security, or normal site operation.
The site is served using Cloudflare Pages, and related infrastructure may process routine technical request data needed to deliver, secure, and maintain the website.
Some pages may include links to outside websites or services. Those destinations operate independently from betROI.xyz, and we are not responsible for their content, availability, accuracy, or privacy practices.
All content and code on betROI.xyz, including text, layout, design elements, HTML, and JavaScript, belongs to betROI.xyz unless otherwise stated. You may not copy, republish, or redistribute site content without prior written permission.
The site and its tools are made available on an as-available basis, without guarantees or warranties regarding uptime, reliability, accuracy, or fitness for a particular purpose.
You use betROI.xyz at your own discretion and risk. betROI.xyz and its operators will not be responsible for losses, damages, liabilities, or decisions arising from reliance on the site, its calculations, or any linked resources.
We may update or replace these Terms of Use from time to time. When that happens, the revised version will appear on this page, and your continued use of the site after an update means you accept the revised terms.
These terms are to be interpreted under applicable law, and any dispute relating to the site or these terms will be handled in the appropriate forum or jurisdiction.
If you have questions about these terms, please contact us.