Betting on numbers\n\n Picking a single number is by far the riskiest bet you'll find at the roulette table. There are 37 possible outcomes, and only one of those earns you a profit, meaning you have a 2.70% chance of victory. Of course, the appeal of betting on numbers is the high payout ratio of 36:1.

What are the best odds in roulette? The bets with the best odds in roulette are outside bets on either even or odd, red or black or numbers 1-18 or 19-36. Each of these bets has a 1:1 payout.