Roulette is one of the world’s most celebrated casino games, but subtle differences in wheel architecture dramatically alter your odds. This Roulette Odds & Payout Calculator compares European (single zero) and American (double zero) roulette, provides a complete payout chart, and lets you test popular betting systems against mathematical reality.
Roulette Odds & System Simulator
Test European roulette betting progressions (Martingale, Fibonacci, Labouchere) against a live simulation:
Roulette Martingale — Reality Check
Complete Roulette Odds and Payout Chart
Standard payouts are identical across roulette wheels, but the extra double-zero ($00$) on American tables cuts your win probability and nearly doubles the house edge:
| Bet Type | Payout | European Odds (37 pockets) | American Odds (38 pockets) |
|---|---|---|---|
| Straight Up (Single Number) | 35 to 1 | 2.70% (1/37) | 2.63% (1/38) |
| Split (Two Numbers) | 17 to 1 | 5.41% (2/37) | 5.26% (2/38) |
| Street (Three Numbers) | 11 to 1 | 8.11% (3/37) | 7.89% (3/38) |
| Corner / Square (Four Numbers) | 8 to 1 | 10.81% (4/37) | 10.53% (4/38) |
| Six Line / Double Street | 5 to 1 | 16.22% (6/37) | 15.79% (6/38) |
| Dozen / Column (12 Numbers) | 2 to 1 | 32.43% (12/37) | 31.58% (12/38) |
| Even Money (Red/Black, Odd/Even) | 1 to 1 | 48.65% (18/37) | 47.37% (18/38) |
Single Zero vs Double Zero House Edge
American Roulette: 5.26% House Edge. With 38 pockets (0 and 00), the return drops to $36/38 = 94.74%$. Playing American roulette costs nearly twice as much per hour in expected losses!
Provably Fair Roulette Verifier
Verify crypto roulette wheel spins using seed triples:
Roulette Verifier (European)
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