Roulette Calculator

Enter your bet amount:


                  

Calculate the roulette values below:

P((1-12))

Expected return on a $10.00 bet

Probability of (1-12)

Probability of (1-12)  =  Total (1-12)
  Total Spaces

Probability of (1-12)  =  12
  38

Probability of (1-12)  =  6
  19

Calculate Success % of (1-12)

Success % = Probability of (1-12) x 100%

Success %  =  6 x 100%
  19

Success % = 31.58%

Calculate the Expected Return

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

Expected Return = $10.00 * (0.31578947368421 - (1 - 0.31578947368421))

Expected Return = $10.00 * (0.31578947368421 - 0.68421052631579)

Expected Return = $10.00 * -0.36842105263158

Expected Return = $-3.68





What is the Answer?
Expected Return = $-3.68
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
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.
Example calculations for the Roulette Calculator

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