Roulette Calculator

Enter your bet amount:


How does the Roulette Calculator work?

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?

  1. Probability of color = Total Spaces of Color/Total Spaces
  2. 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
a specified amount in or for every hundred. one part in every hundred.
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
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

  1. roulette evens
  2. roulette odds
  3. roulette red
  4. roulette black
  5. roulette 1-12
  6. roulette 13-24
  7. roulette 25-36
  8. roulette 1 number
  9. roulette 2 numbers
  10. roulette 4 numbers