Roulette Odds Calculator
Select a bet type and roulette variant to see the exact probability, payout, and house edge. Compare European vs American roulette to make better-informed bets.
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Odds Breakdown
Win Probability
2.70%
1 out of 37 slots
Payout
35:1
Win $35 for every $1 bet (plus your stake back)
House Edge
2.70%
RTP
97.30%
All Bet Types — European Roulette
| Bet Type | Probability | Payout | House Edge |
|---|---|---|---|
| Straight Up (single number) | 2.70% | 35:1 | 2.70% |
| Split (2 numbers) | 5.41% | 17:1 | 2.70% |
| Street (3 numbers) | 8.11% | 11:1 | 2.70% |
| Corner (4 numbers) | 10.81% | 8:1 | 2.70% |
| Six Line (6 numbers) | 16.22% | 5:1 | 2.70% |
| Dozen / Column (12 numbers) | 32.43% | 2:1 | 2.70% |
| Red / Black | 48.65% | 1:1 | 2.70% |
| Odd / Even | 48.65% | 1:1 | 2.70% |
| High / Low (1-18 / 19-36) | 48.65% | 1:1 | 2.70% |
Roulette Odds Calculator
Calculate the probability and expected value of any roulette bet.
How It Works
Select your bet type (straight, split, street, corner, etc.) and the roulette variant (European or American). See the exact probability, payout, and house edge.
When to Use
Before placing roulette bets to understand the true odds and expected return of each bet type.
Pro Tips
- European Roulette has better odds than American
- Outside bets (red/black, odd/even) have ~48.6% win rate
- The house edge is the same for almost all bets on a given wheel