Roulette guides: the rules, the odds and the maths of the wheel
Everything on this site about the game itself: how to play, every payout and its odds, the house edge, what a second zero changes, streaks, budgets, and whether any system can beat the wheel.
Start here
- How to play rouletteThe table, the bets and how a round runs, with the real odds from the start.
- Payouts and oddsEvery bet, what it pays, and its exact chance on a single zero wheel.
- American roulette payoutsEvery bet on the double zero wheel, what 00 pays, and the worst bet on the table.
- Roulette payout calculatorPick a wheel, your bets and stakes: what each pays, how often it wins and what it costs per spin.
- Roulette glossaryThe words of the game in plain English.
The maths of the wheel
- European vs American rouletteWhat a second zero does to the house edge.
- Can you beat roulette?The expected value math, and what one million simulated sessions produced.
- The gambler's fallacyWhy a streak feels meaningful, and why the next spin does not care.
Playing for fun
- Roulette bankroll managementSession budgets, bet sizes and stop rules that keep the cost known.
The betting systems
Every classic system, and our own, was run for 100,000 simulated sessions on a fair single zero wheel. See all the strategies with their numbers, the honest answer to which strategy is best, and the lab notes on what the data showed.