1. Single Zero vs Double Zero House Edge
The European Roulette wheel features 37 pockets numbered 0 through 36. The presence of only a single zero ('0') gives European Roulette a low house edge of 2.70% (97.30% RTP), compared to American Roulette (with 0 and 00) which carries a significantly worse 5.26% house edge.
2. Bet Types and Payout Mathematics
| Bet Category | Bet Name | Coverage | Payout | Win Probability |
|---|---|---|---|---|
| Inside | Straight Up | 1 Number | 35:1 | 2.70% |
| Inside | Split | 2 Numbers | 17:1 | 5.41% |
| Outside | Dozen / Column | 12 Numbers | 2:1 | 32.43% |
| Outside | Red/Black, Odd/Even | 18 Numbers | 1:1 | 48.65% |