ROULETTE Articles
Roulette and probability
Although roulette is more about luck than mathematical calculation, probability still plays a little role in the game. It helps you know how many chances of winning does the bet you are going to place has. Although the probability of getting a particular number is the same put by placing a combination of bets you can increase the probability of winning the bet. Favourable
Just as in a coin toss the probability of getting either heads or tails is there similarly, the chance of getting a particular number in a spin is unsure. The outcome can be any number out of 37 different numbers. Here are certain calculations based on probability which indicate your chances of getting the desired outcome.
| Bet | Favorable outcomes | Unfavorable outcomes |
| Single Number | 2.70% (1/37) |
97.30% (36/37) |
| Two Numbers | 5.41% (2/37) |
94.59% (35/37) |
| Three Numbers A Row |
8.11% (3/37) |
91.89% (34/37) |
| Four Numbers | 10.81% (4/37) |
89.19% (33/37) |
| Six Numbers Two Rows |
16.22% (6/37) |
83.78% (31/37) |
| Nine Numbers Three Rows |
24.32% (9/37) |
75.68% (28/37) |
| Twelve Numbers Four Rows A Column A Third |
32.43% (12/37) |
67.57% (25/37) |
| Eighteen Numbers Black or Red Even or Odd High or Low |
48.65% (18/37) |
51.35% (19/37) |
The table shown above is meant for the European version of roulette, which has a single zero. The probability of losing the outside bets increases when a double zero is present along with it in the American version of the game. Yet the highest probability of winning in the game is that of the 18 numbers. Either red or black and either odd or even are the safest bets to be placed on.
