Roulette Calculator

Enter your bet amount:


                  

Calculate the roulette values below:

P(1 Numbers)

Expected return on a $10.00 bet

Probability of 1 Numbers

Probability of 1 Numbers  =  Total 1 Numbers
  Total Spaces

Probability of 1 Numbers  =  1
  38

Probability of 1 Numbers  =  1
  38

Calculate Success % of 1 Numbers

Success % = Probability of 1 Numbers x 100%

Success %  =  1 x 100%
  38

Success % = 2.63%

Calculate the Expected Return

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

Expected Return = $10.00 * (0.026315789473684 - (1 - 0.026315789473684))

Expected Return = $10.00 * (0.026315789473684 - 0.97368421052632)

Expected Return = $10.00 * -0.94736842105263

Expected Return = $-9.47





What is the Answer?
Expected Return = $-9.47
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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