Roulette Calculator

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

Calculate the roulette probability of (13-24) along with the expected return on your $10.00 bet

Probability of (13-24) =Total Spaces of (13-24)
Total Spaces

Probability of (13-24) =12 Total Spaces
38 Total Spaces

Probability of (13-24) =6
19

Success Percentage of (13-24) = Probability of (13-24) x 100%
Success Percentage of 6 x 100% =6
19

Success Percentage of (13-24) = 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