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Roulette Probability
Roulette Basics
European roulette has 37 pockets (0-36), giving the house a 2.7% edge. American roulette adds a 00 pocket, increasing the house edge to 5.26%.
| Bet Type | Payout | Probability (European) | House Edge |
|---|---|---|---|
| Single Number | 35:1 | 2.7% | 2.7% |
| Red/Black | 1:1 | 48.6% | 2.7% |
| Dozen | 2:1 | 32.4% | 2.7% |
| Corner (4 numbers) | 8:1 | 10.8% | 2.7% |
Every bet on a standard roulette table has the same house edge of 2.7% (European). No betting system can change this mathematical reality.
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