🎡 Roulette Strategy
One decision doubles your effective return: always play European. The single zero cuts house edge from 5.26% to 2.70%. Everything else is noise.
European vs American: The Number That Matters
European
2.70%
House Edge · 37 numbers
American
5.26%
House Edge · 38 numbers
Betting Systems Don’t Work
Martingale, Fibonacci, D’Alembert — these rearrange when you win and lose but don’t change the house edge. Every spin is independent. Betting systems can dramatically increase your maximum loss exposure.
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These calculations are for entertainment/educational budgeting purposes only. Always gamble within your means.
Gamble Responsibly.
This site provides educational strategy information only. Gambling involves risk — only gamble with money you can afford to lose.
If gambling is causing you harm, contact the
National Problem Gambling Helpline: 1-800-522-4700
(US, 24/7, free & confidential) or visit
ncpgambling.org.
Roulette Quick Stats
European HE2.70%
American HE5.26%
Spins per hour~40