Master roulette with our advanced strategy calculator. Analyze betting systems like Martingale, Fibonacci, and D'Alembert. Compare European vs American roulette odds and optimize your betting strategy.
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Bet the same amount every spin. Low risk, steady gameplay.
Double your bet after each loss. Risky but can recover losses quickly.
Double your bet after each win. Capitalizes on winning streaks.
Increase bet by 1 unit after loss, decrease by 1 after win. More conservative.
Follow Fibonacci sequence after losses. Medium risk with structured progression.
| Bet Type | Payout | European Prob. | American Prob. |
|---|---|---|---|
Straight Up Single number | 35:1 | 2.7% | 2.63% |
Split Two adjacent numbers | 17:1 | 5.4% | 5.26% |
Street Row of three numbers | 11:1 | 8.1% | 7.89% |
Corner Four numbers in a square | 8:1 | 10.8% | 10.53% |
Six Line Two rows of three numbers | 5:1 | 16.2% | 15.79% |
Column 12 numbers in a column | 2:1 | 32.4% | 31.58% |
Dozen 1-12, 13-24, or 25-36 | 2:1 | 32.4% | 31.58% |
Red/Black 18 red or black numbers | 1:1 | 48.6% | 47.37% |
Odd/Even 18 odd or even numbers | 1:1 | 48.6% | 47.37% |
High/Low 1-18 or 19-36 | 1:1 | 48.6% | 47.37% |
There is no guaranteed winning strategy due to the house edge. However, flat betting provides the most consistent gameplay, while Martingale can help recover losses short-term but carries high risk. European roulette always offers better odds than American.
European roulette has a 2.7% house edge with single zero, while American roulette has 5.26% with double zero. European roulette gives you almost twice better odds.
While Martingale can help recover losses in short sessions, it's risky due to exponential bet growth. A losing streak of 7-8 spins can require bets exceeding table limits or your bankroll.
In European roulette, the probability of hitting red is 48.6% (18/37). In American roulette, it's 47.37% (18/38). The green zero(s) give the house its edge.
Roulette is one of the most popular casino games, and understanding the odds is crucial for making informed betting decisions. While no strategy can overcome the house edge in the long run, proper bankroll management and understanding of betting systems can enhance your gameplay experience.
The key difference is the number of zeros: European roulette has a single zero (0), giving a house edge of 2.7%, while American roulette has both 0 and 00, nearly doubling the house edge to 5.26%. Always choose European roulette when available.
This is a simulation tool for educational purposes only. Real roulette involves financial risk and the house always has an edge. No betting system can guarantee long-term profits. Always gamble responsibly and never bet more than you can afford to lose. If gambling becomes a problem, seek help.