Roulette reference
European vs American Roulette
The extra double zero on American roulette changes the math. Use this guide to compare wheel structure, house edge, and practical session impact.
Quick answer
European roulette is the better educational baseline because it has one zero and a 2.70% house edge. American roulette has 0 and 00, which raises the house edge to 5.26%.
Side-by-side comparison
| Feature | European roulette | American roulette |
|---|---|---|
| Number set | 0 and 1-36 | 0, 00, and 1-36 |
| Pockets | 37 | 38 |
| Zero pockets | 0 | 0 and 00 |
| House edge | 2.70% | 5.26% |
| Red or black win chance | 18 out of 37, or 48.65% | 18 out of 38, or 47.37% |
| Best use | Default for practice and lower-house-edge education. | Useful for comparison when a casino or app offers double-zero roulette. |
Why European is the default here
European roulette gives the same standard payouts with fewer losing zero pockets. That makes it the cleaner baseline for learning bet types, expected value, and session risk.
Learn the house edge mathWhy American still matters
Many players search for American roulette because double-zero wheels are common in some markets. Comparing both versions makes the cost of the extra zero visible.
Compare expected valueRelated roulette guides
Compare roulette bet payouts, coverage, and win chances.
See why European roulette has a lower long-run cost than American roulette.
Learn wheel order, colors, zero, and double-zero differences.
Estimate long-run average loss from stake, bet type, wheel, and spins.
Practice on the European baseline
Use Free Play to learn bet placement and session behavior without adding the double-zero edge.
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