Odds and Payouts at European and American Roulette: Roulette Bet - Payout - European Roulette Odds - American Roulette Odds ; Single Number - 35 to 1 - 2.70% - 2.60% ; 2 Number Combination - 17 to 1 - 5.4% - 5.3% ; 3 Number Combination - 11 to 1 - 8.1% - 7.9%; 4 Number Combination - 8 to 1 - 10.8% - 10.5%; 5 Number Combination - 6 to 1 - 13.5% - 13.2%; 6 Number Combination - 5 to 1 - 16.2% - 15.8%