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How does the Roulette Calculator work?
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.

What 2 formulas are used for the Roulette Calculator?

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
What 4 concepts are covered in the Roulette Calculator?
expected return
amount of profit or loss an investor anticipates on an investment
a specified amount in or for every hundred. one part in every hundred.
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
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.
Example calculations for the Roulette Calculator