Free Roulette Calculator - Calculates the probability for different bets on a roulette wheel including expected return on a monetary bet.

This calculator has 1 input.

This calculator has 1 input.

Probability of color = Total Spaces of Color/Total Spaces

Expected Return on your Bet = Bet * (Success % - (1 - Success %))

For more math formulas, check out our Formula Dossier

Expected Return on your Bet = Bet * (Success % - (1 - Success %))

For more math formulas, check out our Formula Dossier

- expected return
- amount of profit or loss an investor anticipates on an investment
- percentage
- a specified amount in or for every hundred. one part in every hundred.
- 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 - 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.