Free Roulette Cumulative Betting Calculator - This calculator displays the probability and return grid for a roulette scenario where you play x games, betting y per number playing z numbers per game.

This calculator has 3 inputs.

This calculator has 3 inputs.

Probability of Winning = Numbers Bet / Total Numbers

For more math formulas, check out our Formula Dossier

For more math formulas, check out our Formula Dossier

- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- probability
- the likelihood of an event happening. This value is always between 0 and 1.

P(Event Happening) = Number of Ways the Even Can Happen / Total Number of Outcomes - profit
- The amount of money left over after paying costs/expenses

Profit = Revenue - Cost - roulette
- a gambling game in which a ball is dropped onto a revolving wheel ( roulette wheel ) with numbered compartments, the players betting on the number at which the ball will come to rest.
- roulette cumulative betting