Straight bets are the riskier since they are hard to land, but they also provide the biggest prize. You can select as many options as you like on the table in order to set the level of risk for every spin. The best part about roulette is that players can choose which types of bets they want to place. However, that “almost” is important when we get to the roulette payouts. For outside bets that cover 18 numbers, like betting on the winning number being black, the roulette chance is 18-in-37, or almost 50/50. This is because you are betting on a single number out of the 37 options available. European roulette has one zero pocket, while American roulette comes with two zero pockets, all of which are green.įor example, the roulette probability of winning a straight bet in European roulette is 1-in-37. This roulette house advantage is determined by the extra zero pocket(s), depending on the version of the game, and on the bet payout. However, for every betting option, the game comes with a set house edge. The odds of winning in roulette depend on the bet. Continue reading to master the numbers behind the little wheel. In this guide, we will analyze the roulette house advantage, the odds of winning, and the payouts provided. Knowing how to calculate this can give you an edge on the table, while also helping you find the versions with the best roulette payouts. Roulette odds are determined by the possible outcomes and the numbers covered in the bet.