Here are a bunch of charts and tables for different probabilities in both European and American roulette.
There's also some handy 馃挼 (but not necessarily easy) information at the bottom about working out roulette probabilities, plus a little bit on the gambler's 馃挼 fallacy.
1. European roulette
Probability of each bet type winning on a European roulette wheel.
Bet Type Fraction Ratio Percentage Even (e.g. Red/Black) 馃挼 1/2.06 1.06 to 1 48.6% Column 1/3.08 2.08 to 1 32.4% Dozen 1/3.08 2.08 to 1 32.4% Six Line 1/6.17 馃挼 5.17 to 1 16.2% Corner 1/9.25 8.25 to 1 10.8% Street 1/12.33 11.33 to 1 8.1% Split 1/19.50 18.50 to 馃挼 1 5.4% Straight 1/37.00 36.00 to 1 2.7%
