Information
Disclaimer
Every figure on this site is arithmetic under stated assumptions. It explains how odds, payouts and probabilities work; it does not predict an outcome or tell you to place a bet.
Not betting, financial or legal advice
The calculators and guides are educational. They do not recommend a bet, a staking plan, an operator or an offer, and they are not financial or legal advice.
No prediction or guaranteed return
A probability describes how often an event occurs in a mathematical model; it does not say what happens next. No betting system, including Martingale, removes the house edge. An arbitrage or hedge figure assumes every stake is accepted and settled exactly as entered, which real markets do not guarantee.
Results depend on your inputs and the rules
- A result is only as good as the numbers entered. Expected value and Kelly figures use your own probability estimate.
- Payouts, commissions, paytables and settlement rules differ between venues. Check the actual rules before relying on a figure.
- Results are rounded for display, and currency results assume whole cents.
No operator connection
Gambling Calculator is not connected to any casino, sportsbook, lottery or racing operator. Mentions of games and wager types describe rules, not recommendations. Gambling may be illegal or age-restricted where you are.
Gambling involves risk
Only gamble with money you can afford to lose. If gambling stops feeling manageable, read keep gambling decisions separate from the math for support options.
Errors and corrections
We test every calculator against independently calculated examples, but errors are possible. Report one to contact@gamblingcalculator.co. See the terms and conditions for the limits of liability.