The payouts stay the same, but the value of every chip changes.
Two tables can offer the same red/black, straight-up, and dozen bets at identical posted payouts. Yet the European wheel has 37 pockets—1 through 36 plus 0—while the American wheel adds 00 for 38. That extra losing pocket nearly doubles the built-in disadvantage on most standard wagers.
On an even-money bet, European roulette wins 18 times in 37 possible outcomes, producing a 2.70% house edge. American roulette wins 18 times in 38, raising the edge to 5.26%. A $100 red bet still pays only $100 profit at either table; 00 simply makes losing more likely without improving the reward. Table rules therefore matter more than familiar-looking payouts. For US players comparing offshore sportsbooks, BetUS, Bovada, Mybookie, Xbet, and Sportsbetting are top choices for large sign-up bonuses, decent lines, and fast payouts, subject to local law and individual terms.
What stays the same—and what changes
European roulette
The wheel has 37 pockets: numbers 1–36 plus one green 0.
American roulette
The wheel has 38 pockets: numbers 1–36, a green 0, and a green 00.
Shared layout
Both versions use the same red-and-black number colors and offer inside bets on specific numbers or small groups.
Outside bets
Both offer red/black, odd/even, high/low, dozens, and columns, though some tables add special rules.
Typical payouts
A straight-up number usually pays 35:1 on either wheel. Other standard bets also pay the same, so the extra 00 creates the disadvantage.
At a physical or live-dealer table, inspect the wheel and betting mat: 00 means American roulette; a lone 0 means European roulette. In digital lobbies, check the title, rules panel, or paytable rather than relying on table color. This distinction also matters when browsing explanations of online casino games.
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How the extra zero doubles the disadvantage
A straight-up number illustrates the mismatch cleanly. European roulette offers 37 possible results, so a selected number wins with probability 1/37, or 2.70%. A mathematically fair bet would pay 36:1 in net winnings, but the casino pays 35:1.
American roulette adds 00, producing 38 possible results. The chance of hitting the selected number falls to 1/38, or 2.63%, meaning fair net odds would rise to 37:1. Instead, the payout remains 35:1.
| Wheel | Win probability | Loss probability | Actual net payout | Expected result per $1 |
|---|---|---|---|---|
| European | 1/37 | 36/37 | 35:1 | −$0.0270 |
| American | 1/38 | 37/38 | 35:1 | −$0.0526 |
The expected results follow compactly:
- European:
(1/37 × $35) − (36/37 × $1) = −$0.0270 - American:
(1/38 × $35) − (37/38 × $1) = −$0.0526
Thus, each $1 straight-up wager loses about 2.7 cents on average in European roulette and 5.26 cents in American roulette. This is a long-run average rather than a prediction for any single spin, but it shows why one additional pocket matters so much: 00 creates another losing result without adding compensation.
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Roulette odds at a glance
Every standard wager becomes slightly less likely to win on an American wheel. The payout remains unchanged, so the extra losing pocket goes directly into the casino’s advantage.
| Wager | Payout | European win probability | American win probability |
|---|---|---|---|
| Single number | 35:1 | 1/37 (2.70%) | 1/38 (2.63%) |
| Two-number split | 17:1 | 2/37 (5.41%) | 2/38 (5.26%) |
| Three-number street | 11:1 | 3/37 (8.11%) | 3/38 (7.89%) |
| Six-number line | 5:1 | 6/37 (16.22%) | 6/38 (15.79%) |
| Dozen or column | 2:1 | 12/37 (32.43%) | 12/38 (31.58%) |
| Red/black, odd/even, high/low | 1:1 | 18/37 (48.65%) | 18/38 (47.37%) |
The crucial comparison is the standard house edge: 2.70% in European roulette versus 5.26% in American roulette. In expected-value terms, every $100 wagered costs about $2.70 on a single-zero wheel and $5.26 on a double-zero wheel over the long run. Since 5.26 is roughly 1.95 times 2.70, American roulette is almost twice as costly per dollar wagered.
Short sessions can still produce any result; house edge describes the long-run average, not a guaranteed loss in each round. Special rules such as la partage or en prison may reduce the edge on even-money European bets, so table rules deserve a quick check.
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What the edge costs in dollars
A house edge applies to every dollar wagered, not just the initial deposit. Twenty $5 spins create $100 of action, even when the same chips are recycled. At standard rules, that volume carries an average theoretical loss of $2.70 on European roulette versus $5.26 on American roulette.
| Total action | European | American |
|---|---|---|
| $100 | $2.70 | $5.26 |
| $1,000 | $27.00 | $52.60 |
| $5,000 | $135.00 | $263.00 |
These are long-run averages, not forecasts for one visit. A lucky number can produce a profit, while a rough sequence can lose far more; straight-up bets make those swings especially sharp. As spins and stakes accumulate, however, the lower edge matters more because it is applied repeatedly. Players protecting a modest bankroll may prefer a European wheel or explore lower-risk games suited to smaller bankrolls.
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A $100 deposit wagered five times creates $500 of action. The expected loss is therefore about $13.50 on European roulette or $26.30 on American roulette.
More coverage does not erase the extra zero
Red/black, odd/even, and high/low still carry a 5.26% house edge on a standard American wheel.
These bets win more often than a single-number wager, but their smaller payouts preserve the same mathematical disadvantage.
Changing stake size cannot change the odds of the next spin.
Progressions often produce small wins, but table limits, bankroll limits, and long losing runs create occasional losses large enough to outweigh them.
Coverage raises the chance of collecting something while increasing the amount at risk.
Standard combinations retain the 5.26% edge. The American five-number basket—0, 00, 1, 2, and 3—is worse: its 6:1 payout produces an unusually steep 7.89% house edge.
European roulette is generally the better roulette choice, but disciplined blackjack and banker bets in baccarat can offer lower house edges under favorable rules. The comparison with online casino games offering better odds should include rules, wagering requirements, and playing speed.
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When one zero costs only half
On some single-zero tables, a zero does not automatically take the entire stake on red/black, odd/even, or 1–18/19–36 bets. Two French rules can soften the result, but neither should be assumed from a “European roulette” label.
La partage
Under la partage, zero causes half of a qualifying even-money stake to be returned. Losing only half on the zero outcome cuts the house edge from about 2.70% to roughly 1.35%—one of the better standard roulette conditions available.
En prison
With en prison, the stake is held for the next spin instead of being settled immediately. A favorable result may release or return it, while an unfavorable result loses it. Treatment of a second zero, table limits, and whether the stake can remain imprisoned again differ among casinos, so its exact value depends on the posted procedure.
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A single-zero wheel does not guarantee la partage or en prison. Confirm which bets qualify, how repeat zeros are handled, and whether the rule applies at that specific table.
What to check before placing a roulette bet
- Count the zeros
Prefer a single-zero wheel. For even-money bets, confirm whether la partage or en prison applies and how it is settled.
- Verify the paytable
Standard bets should retain familiar payouts, including 35:1 for a straight-up number; avoid the American five-number bet.
- Review table limits
Check minimums, maximums, and any lower cap on particular bets before choosing a stake.
- Identify the format
Live or digital presentation does not change the edge when pockets, rules, and payouts match; compare live dealer roulette with RNG play for practical differences.
- Read the extra terms
Assess side-bet paytables separately, then check bonus wagering, game exclusions, maximum-bet clauses, and withdrawal restrictions.
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- Reject the five-number bet.
- Treat side bets and bonuses as separate products, not improved roulette odds.
The practical hierarchy is simple: one zero first, favorable zero rules second. Limits and format affect the experience, but no roulette table creates a player advantage.
