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The math of roulette

Terms and conditions

These terms apply when you use rouletteodds.co, including its calculators, guides and charts. By using the site you agree to them.

What the site provides

Roulette Odds publishes educational information about roulette probabilities, payouts and house edge, with free calculators that run in your browser. It does not offer gambling, accept money, hold accounts or recommend operators.

Your responsibilities

  • Check that gambling is legal for you where you live and that you meet the minimum age before you gamble anywhere.
  • Check the actual rules, paytable and limits of any game before relying on a figure from this site.
  • Make your own decisions about whether to gamble. See responsible play.

Acceptable use

You may read, use the tools and share links to any page. You must not:

  • Attempt to disrupt, overload or gain unauthorised access to the site or its server.
  • Use automated tools to copy the site in bulk or in a way that degrades the service for others.
  • Present content or results from the site as a guarantee, prediction or professional advice.
  • Use the site for any unlawful purpose.

Content and intellectual property

The text, calculations, diagrams, logo and site design are the property of Roulette Odds unless stated otherwise. You may quote short passages and individual figures with a link to the source page. Republishing whole pages, tables or diagrams requires permission; ask at the address below.

The Inter typeface is used under the SIL Open Font License. Material from external sources remains the property of its owners.

Some pages link to rule documents and support organisations operated by others. We do not control those sites and are not responsible for their content, availability or privacy practices.

Accuracy and limitations

Calculations are checked carefully, but results depend on your inputs and on the stated model: standard payouts, a fair wheel and independent spins. Real games can differ. The site and its tools are provided as they are, without any warranty that they are error-free or fit for a particular purpose.

To the extent permitted by applicable law, Roulette Odds is not liable for any loss, including gambling losses, arising from use of the site or reliance on its content. Nothing in these terms limits liability that cannot be limited by law.

Availability and changes

We may change, suspend or withdraw any page or tool without notice and are not responsible if the site is unavailable at any time. These terms may be updated; the version on this page applies from the date shown.

Contact

Questions about these terms: contact@rouletteodds.co. Last updated October 10, 2026. Read the disclaimer and the privacy policy as well.