Roulette Calculator

Publish date: 2024-05-04
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Calculate the roulette values below:

P(Odds)

Expected return on a $10.00 bet

Probability of Odds
Probability of Odds  =  Total Odds
  Total Spaces

Probability of Odds  =  18
  38

Probability of Odds  =  9
  19

Calculate Success % of Odds

Success % = Probability of Odds x 100%

Success %  =  9 x 100%
  19

Success % = 47.37%

Calculate the Expected Return

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

Expected Return = $10.00 * (0.47368421052632 - (1 - 0.47368421052632))

Expected Return = $10.00 * (0.47368421052632 - 0.52631578947368)

Expected Return = $10.00 * -0.052631578947369

Expected Return = $-0.53


What is the Answer?

Expected Return = $-0.53

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 returnamount of profit or loss an investor anticipates on an investmentpercentagea specified amount in or for every hundred. one part in every hundred.probabilitythe 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 Outcomesroulettea 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

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