If you’re comparing European roulette vs American roulette, you’re already thinking like a smart player. While both versions look similar at a glance (same iconic wheel, same inside and outside bets, same payout structure), a few design differences have a big impact on what matters most: the house edge.
The headline difference is simple and powerful: single zero vs double zero. European roulette has one green pocket (0), while American roulette has two (0 and 00). That extra pocket increases the casino’s advantage, and over time it can noticeably affect your results.
Below, you’ll find a clear, player-focused breakdown of the wheel, table, rules like en prison and la partage, and practical tips to help you choose the version with better odds before you place a bet.
Quick takeaway: the biggest difference is the number of zeroes
Both games use the same base payouts (for example, red/black pays 1:1, a straight-up number pays 35:1), and both offer the same core bet categories (inside and outside bets). But the roulette wheel itself changes the math:
- European roulette typically uses a single-zero wheel with 37 pockets (numbers 1–36 plus 0).
- American roulette typically uses a double-zero wheel with 38 pockets (numbers 1–36 plus 0 and 00).
That one extra green pocket is why European roulette is widely considered the more player-friendly option.
European roulette vs American roulette: side-by-side comparison
| Feature | European roulette | American roulette |
|---|---|---|
| Wheel pockets | 37 (1–36 plus 0) | 38 (1–36 plus 0 and 00) |
| House edge (typical) | About 2.70% | About 5.26% |
| Payouts | Same as American roulette | Same as European roulette |
| Bet types | Inside and outside bets (same core set) | Inside and outside bets (same core set) |
| Player-friendly rules | More likely to offer en prison or la partage on even-money bets | Less common; rules vary by casino |
| Wheel numbering / order | European wheel order differs from American | American wheel order differs from European |
| Typical availability | Common in Europe and online “EU” tables | Common in many U.S. land casinos |
House edge explained: why 0 vs 00 changes your odds
House edge is the casino’s built-in advantage based on the game’s math. It doesn’t mean you lose that exact percentage every session, but it does indicate what the game favors over the long run.
Roulette payouts are set as if there were only 36 numbers, but the wheel includes green zero pockets that do not belong to red/black, odd/even, or 1–18/19–36. That mismatch is the core of the casino edge.
European roulette house edge (single zero)
European roulette has 37 pockets. On an even-money bet like red/black:
- Probability of winning: 18/37
- Probability of losing: 19/37 (because the 0 causes a loss under standard rules)
This yields a typical house edge of about 2.70% for standard European roulette rules.
American roulette house edge (double zero)
American roulette has 38 pockets. On an even-money bet like red/black:
- Probability of winning: 18/38
- Probability of losing: 20/38 (because 0 and 00 both cause a loss under standard rules)
This increases the typical house edge to about 5.26%, which is roughly double the European roulette edge.
What that means in real terms
Because the double zero increases the house edge, American roulette generally gives players less favorable odds over time, even though the game feels the same moment-to-moment. If your goal is to stretch your bankroll and get more play per dollar, choosing the single-zero version is one of the simplest upgrades you can make.
Same payouts, same bet types: what doesn’t change
One reason roulette is so popular is that it’s easy to learn. The good news is you don’t have to relearn the whole game when switching between European roulette and American roulette.
Inside bets (same in both versions)
- Straight up (one number): pays 35:1
- Split (two numbers): pays 17:1
- Street (three numbers): pays 11:1
- Corner (four numbers): pays 8:1
- Six line (six numbers): pays 5:1
Outside bets (same in both versions)
- Red / Black: pays 1:1
- Odd / Even: pays 1:1
- 1–18 / 19–36: pays 1:1
- Dozens (1–12, 13–24, 25–36): pays 2:1
- Columns: pays 2:1
So if you’re playing the same bet type, the key difference is not the payout. It’s the wheel composition (and sometimes special rules) that changes the odds.
European roulette often includes better rules: en prison and la partage
Beyond the single-zero wheel, many European roulette tables (especially in traditional casino settings and some online European roulette variants) may offer extra rules designed to soften the impact of the 0 on even-money bets (like red/black, odd/even, 1–18/19–36).
These rules don’t usually apply to dozens, columns, or inside bets. They mainly benefit the most common “even chance” wagers.
La partage: “half back” on a zero
La partage means that when the ball lands on 0, an even-money bet loses only half of the stake (the other half is returned).
With la partage on a single-zero wheel, the effective house edge on even-money bets is commonly reduced from about 2.70% to about 1.35%.
From a player’s perspective, that’s a meaningful improvement in value without changing your betting style at all.
En prison: “in prison” for one more spin
En prison is similar in spirit but works differently. If you place an even-money bet and the ball lands on 0, your bet isn’t lost immediately. Instead, it is “imprisoned” for the next spin:
- If your bet wins on the next spin, you typically get your stake back (without extra winnings in many common rule sets).
- If it loses on the next spin, you lose the stake.
In many standard implementations, en prison offers an effective edge similar to la partage on even-money bets, often quoted around 1.35% on those wagers (again, on a single-zero wheel).
Why these rules matter for odds-focused players
If you’re searching for the best odds in roulette, these rules are a big deal because they target the exact event that creates the disadvantage on even-money bets: the green 0. When you pair a single-zero European roulette wheel with la partage or en prison, you’re playing a version that is widely considered among the most player-friendly in mainstream roulette.
Wheel order and layout: European vs American design differences
Another difference between European roulette and American roulette is the wheel numbering order and the way the table is laid out. This doesn’t change the payout schedule, but it does affect the physical experience of playing (especially in land casinos) and can impact how quickly you can place bets.
Wheel numbering order
Both wheels use the numbers 1–36, but they place them in a different sequence around the wheel. European roulette has one standard sequence (with a single 0), while American roulette has its own standard sequence and includes both 0 and 00.
For most players, the takeaway is straightforward: the layout is not random in arrangement, but the presence of 00 is the key reason American roulette is less favorable from a house-edge perspective.
Table layout differences
The American roulette table typically includes an extra spot for 00, and the top of the layout is designed accordingly. European tables are usually slightly more compact in the zero area because there’s only 0.
If you’re switching between variants in a live casino, it’s worth taking a second to locate the zero section so you don’t misplace chips during faster-paced play.
Which version should you choose for better odds?
If your main goal is better odds, the recommendation is clear and widely supported by the math:
- Prefer European roulette with a single zero.
- Even better, look for European tables that explicitly offer la partage or en prison on even-money bets.
- Be cautious with American roulette that uses a double zero, because the house edge is typically about 5.26%.
This is why many players seeking better odds gravitate toward single-zero wheels in Europe or choose online “EU” roulette versions where the rules are listed clearly before you play.
Why American roulette is still common (especially in the U.S.)
Despite the higher house edge, American roulette is common in many U.S. land casinos. It’s a long-established format, and in some venues it may be the default roulette offering on the floor. The key benefit for players is convenience and availability, but the tradeoff is the added 00 pocket and the higher house edge that comes with it.
How to check rules before you play (and avoid surprises)
Because small rule differences can change the effective house edge, taking 30 seconds to confirm the game details can pay off for your bankroll. Here’s what to look for before buying in.
1) Confirm single zero vs double zero
- European roulette: look for a wheel with only 0.
- American roulette: look for both 0 and 00.
If you see 00, you’re looking at the higher-edge version.
2) Look for en prison or la partage wording
These rules are typically posted on table signage in land casinos or listed in the game info panel online. If the table includes la partage or en prison, that’s a strong player-friendly sign, particularly if you enjoy outside bets like red/black.
3) Ask (or read) what happens on 0 for even-money bets
Even among “European roulette” offerings, the exact treatment of the 0 can vary. Your goal is to understand whether you lose the full stake (standard rule), lose half (la partage), or have the bet carried forward (en prison).
4) Check any published house-edge figures
Some casinos and many online platforms publish the game’s theoretical return (or the house edge). When those numbers are available, they make decision-making easy:
- About 2.70% often indicates single-zero European rules.
- About 5.26% typically indicates double-zero American rules.
- About 1.35% on even-money bets often indicates la partage or en prison is in effect on a single-zero wheel.
Practical tips to get more value from roulette
Roulette is designed to be entertaining and straightforward, and choosing the right variant is one of the best “easy wins” available to players, whether you play roulette or black jack online. These tips keep the focus on maximizing value while keeping the experience fun.
Choose the best game first, then pick your bets
Many players spend time debating specific systems, but the biggest lever you control is selecting a player-friendlier table. In most real-world scenarios, switching from American roulette (double zero) to European roulette (single zero) does more for your long-run value than changing between common bet patterns.
Outside bets feel smooth, but check the zero rule
Outside bets like red/black and odd/even are popular because they create a steady rhythm of wins and losses. On a single-zero wheel, adding la partage or en prison can make those bets even more attractive from a house-edge perspective.
Keep your session goals clear
A practical approach is to decide in advance what “success” looks like for you (for example, a target win, a time limit, or a loss limit). Clear boundaries can help you enjoy the game’s pace and excitement without drifting into decisions you wouldn’t make at the start of the session.
Frequently asked questions: European roulette vs American roulette
Is European roulette always better than American roulette?
In terms of odds, European roulette is generally better because the single zero creates a lower house edge (about 2.70%) than the double zero in American roulette (about 5.26%). If European roulette also offers la partage or en prison, it can be even more favorable on even-money bets.
Do European and American roulette have the same payouts?
Yes. The payout table for standard inside and outside bets is the same. What changes is the wheel composition (and sometimes special rules), which shifts the underlying probabilities and therefore the house edge.
Does the wheel order change the odds?
The wheel numbering order differs between European and American roulette, but the main driver of the odds difference is the presence of 00 in American roulette. The extra pocket increases the house edge.
What are en prison and la partage in simple terms?
- La partage: on 0, you lose only half your even-money bet.
- En prison: on 0, your even-money bet is “held” for the next spin for a chance to recover it.
Both rules can reduce the effective house edge on even-money bets on a single-zero wheel, often to around 1.35%.
Bottom line: pick single-zero European roulette for better odds
If you’re choosing between European roulette and American roulette, the most player-friendly decision is to prioritize a single-zero wheel whenever possible. The difference between a 2.70% house edge and a 5.26% house edge is significant, and it’s built into the game before you ever place your first chip.
To get the best overall value, look for European tables (often including online EU versions) that also feature en prison or la partage, and always take a moment to check the specific casino rules and any posted house-edge figures. That small habit can help you play with more confidence, better odds, and a smoother experience from the very first spin.
