Roulette Calculator

<-- Enter your bet amount and then press a button below where the ball lands

Calculate the roulette probability of (25-36) along with the expected return on your $10.00 bet

Probability of (25-36) =Total Spaces of (25-36)
Total Spaces

Probability of (25-36) =12 Total Spaces
38 Total Spaces

Probability of (25-36) =6
19

Success Percentage of (25-36) = Probability of (25-36) x 100%
Success Percentage of 6 x 100% =6
19

Success Percentage of (25-36) = 31.58%

Calculate the Expected Return on your bet of $10.00
Expected Return on your Bet = Bet * (Success % - (1 - Success %))
Expected Return on your Bet = $10.00 * (0.21 - (1 - 0.21))
Expected Return on your Bet = $10.00 * (0.21 - 0.79)
Expected Return on your Bet = $10.00 * -0.58
Expected Return on your Bet = $-3.68