A straight bet on a single number in European Roulette pays 35:1, but it has a hit rate of only 1 in 37. In contrast, a dozen bet covers 12 numbers and pays 2:1, offering a significantly higher probability of winning on each spin. This fundamental difference dictates the strategic approach players might take when engaging with these betting options.
The house edge on European Roulette for a straight bet remains constant at 2.70%, irrespective of the payout. However, the frequency of wins is much lower compared to bets on dozens or columns, which also have the same 2.70% house edge. This means players may experience longer streaks without a win on straight bets.
For a player with a bankroll of 50 EUR, a single straight bet of 1 EUR has a much lower chance of returning funds compared to a 1 EUR bet on a dozen. The 35:1 payout for a straight bet is attractive, but the low hit frequency means it is less likely to recoup losses over a short session. A dozen bet, while paying less, offers more frequent returns.
rules, odds and strategy
How the Random Generator Maps 37 Pockets
European Roulette features a wheel with 37 pockets, numbered 1 through 36, plus a single zero (0). The Random Number Generator (RNG) used in online versions simulates the physical spinning of this wheel, with each pocket having an equal probability of being the outcome. This setup ensures a consistent house edge of 2.70%.
The RTP for European Roulette is 97.30%, meaning that, theoretically, 97.30% of all wagers are returned to players over an extended period. This figure is directly influenced by the 37-pocket wheel design and the payout structure, which is standard across many online platforms like Glorion Casino. Inner bets maintain this RTP.
Understanding the 37-pocket configuration is crucial for players aiming to manage their bankroll effectively. While the payout for a straight bet remains 35:1, the probability of hitting that specific number is only 1 in 37. This is a key aspect of the game's mathematical design, contributing to the 2.70% house advantage.
Too High a Bet for a 50 EUR Bankroll
The American Roulette variant, with its double zero (00) and 38 sectors, presents a higher house edge of 5.26%. This increased advantage means that even a small bet can deplete a 50 EUR bankroll more quickly than on a European wheel. The RTP for American Roulette is therefore lower, at 94.74%.
A specific bet in American Roulette, the Five Number Bet covering 0, 00, 1, 2, and 3, carries the highest house edge at 7.89%. This bet is particularly disadvantageous for players managing a limited bankroll of 50 EUR, as it significantly increases the risk of rapid losses. This bet is unique to the American layout.
Given a 50 EUR bankroll, placing bets on variants with a higher house edge like American Roulette, especially on the Five Number Bet, is not advisable. The increased mathematical disadvantage means that even a few losing spins can significantly impact the available funds. Opting for games with lower house edges is generally recommended for longer play.
36 Instead of 37: The Math Behind 35:1
The payout of 35:1 for a straight bet in European Roulette is derived from the premise of a 36-number wheel, excluding the zero. If there were only 36 possible outcomes, a 35:1 payout would offer a fair game with no house edge. The addition of the single zero pocket introduces the house advantage.
The mathematical structure of roulette means that for every 37 individual outcomes on a European wheel, the house expects to profit 2.70%. This is calculated based on the payouts for all bet types, including the 35:1 for a straight bet. This consistent edge applies to all bets on the European layout.
When a player bets 1 EUR on a single number and wins, they receive 35 EUR plus their original stake back, totalling 36 EUR. However, since there are 37 possible outcomes, the casino retains the mathematical advantage from the 37th possibility, contributing to the 2.70% house edge.
10 Percent Roulette vs 100 Percent Slots
In the context of bonus wagering requirements, table games at Glorion Casino, including roulette, typically contribute only 10% towards the turnover. This means that for every 1 EUR wagered on roulette, only 0.10 EUR counts towards fulfilling the bonus conditions. This is a significant factor for players aiming to clear bonus funds.
Slots, in contrast, usually contribute 100% to the wagering requirements, meaning every 1 EUR bet on a slot game counts fully towards the turnover. If a player has a 300% welcome bonus up to €2,000 and needs to meet a wagering requirement of x40, betting on slots is considerably more efficient for clearing the bonus.
For a player considering how to use their welcome bonus, the difference in contribution percentages between roulette and slots is critical. A 50 EUR wager on roulette might only reduce the wagering requirement by 5 EUR, whereas the same 50 EUR wager on slots would reduce it by 50 EUR. This disparity significantly affects the time and amount needed to clear the bonus.
Roulette bet types at a glance
Bet
Payout
Win Chance
Numbers Covered
House Edge
Roulette Französisch mit La Partage (gerade Chancen)
Rot/Schwarz 1:1 (bei 0 Rückerstattung 50%), Odd/Even 1:1, Low/High 1:1; Innere Einsätze ohne La Partage: Straight 35:1, Split 17:1, Street 11:1, Corner 8:1
98.65%
Bei 0 wird die Hälfte des Einsatzes auf gerade Chancen zurückerstattet (Rot/Schwarz, Pair/Impair, Manque/Passe). En Prison gibt denselben 1,35%. Regel gilt NUR für gleiche Einsätze
1.35%
Roulette Französisch, innere Einsätze (La Partage gilt nicht)
Straight 35:1, Split 17:1, Street 11:1, Corner 8:1, Six Line 5:1, Dozen 2:1, Column 2:1
97.30%
Rad gleich (37 Sektoren), aber La Partage/En Prison gilt nicht für innere Einsätze – Edge bleibt europäisch
2.70%
Roulette Amerikanisch – Five Number Bet (0, 00, 1, 2, 3)
Five Number 6:1 (deckt 5 von 38 Sektoren)
92.11%
Einzige Wette am amerikanischen Rad mit Edge über 5,26% – „Fallenwette“. Kein Äquivalent am europäischen Rad
Straight 35:1, Split 17:1, Street 11:1, Corner 8:1, Six Line 5:1, Dozen 2:1, Column 2:1, Rot/Schwarz 1:1
94.74%
38 Sektoren (1–36 + 0 + 00); Auszahlungen wie beim europäischen Rad, aber der zusätzliche Sektor verdoppelt den Hausvorteil
5.26%
Roulette Europäisch (einfache Null, 37 Sektoren)
Straight 35:1, Split 17:1, Street 11:1, Corner 8:1, Six Line 5:1, Dozen 2:1, Column 2:1, Rot/Schwarz 1:1, Odd/Even 1:1, 1-18/19-36 1:1
97.30%
37 Sektoren (1–36 + 0); Auszahlungen wie für 36 Sektoren – daher konstanter Edge auf ALLE Wetten
2.70%
French with La Partage vs European
French Roulette with La Partage offers a distinct advantage on even chance bets when a zero is rolled. Unlike European Roulette, where the house edge remains a consistent 2.70% on all bets, the La Partage rule returns half of the stake on even chances like Red/Black or Odd/Even. This reduces the house edge on these specific bets to 1.35%.
European Roulette features a standard wheel with 37 sectors, including a single zero, resulting in a house edge of 2.70% across all betting options. The payouts for standard bets, such as Straight at 35:1 or Dozen at 2:1, remain constant. This consistency provides a predictable environment for players across all wagers placed.
While inner bets in French Roulette follow the same RTP of 97.30% and a house edge of 2.70% as European Roulette, the absence of the La Partage or En Prison rule for these wagers means the house edge remains unchanged. This maintains the European edge for all internal betting opportunities.
Why the Ball Has No Memory
The fundamental principle of roulette is that each spin is an independent event, meaning past outcomes do not influence future results. This is why the ball has no memory of where it landed previously. Whether playing European Roulette with its 2.70% house edge or American Roulette with its higher 5.26% house edge, each spin starts with a fresh probability.
In games like Auto Roulette Classic 1 Live from Authentic Gaming, the automated wheel spins, and the outcome is determined solely by physics and chance, not by any sequence of previous spins. The RTP of 97.30% for this variant highlights the theoretical return to player over the long term, irrespective of any player's perceived patterns.
Understanding this concept is crucial for managing bankrolls, especially when considering bonuses. A 300% welcome bonus up to €2,000 plus 100 free spins means a significant increase in playing capital, but the house edge remains a constant factor on every bet placed, regardless of the previous spin's result.
Multiplier 500x Applies Only to Straight Bets
Certain live roulette variants offer multipliers that can significantly boost potential payouts, but it is crucial to understand their application. In Mega Roulette by Pragmatic Play Live, multipliers can reach up to 500x, but these enhanced payouts are exclusively applied to straight bets. This means a direct bet on a single number can receive a substantial boost.
This distinction is important when comparing payout structures. While a straight bet might yield a 29:1 payout in Mega Roulette before multipliers, the inclusion of a 500x multiplier could theoretically transform this into a much larger win. However, other bet types, such as splits or dozens, do not benefit from these specific enhancements.
For instance, Quantum Roulette from Playtech also features quantum multipliers that can reach up to 500x, similar to Mega Roulette. However, the terms governing these multipliers, particularly which bet types are eligible, must be carefully reviewed to ensure players are aware of how these impressive figures are activated and applied.
Even Chances 1:1 on 18 Numbers
Roulette variants offer even chance bets like Red/Black, Odd/Even, and High/Low, which typically pay 1:1. These bets cover 18 numbers on the wheel. In European and French Roulette, which have 37 sectors, the house edge on these bets is 2.70% unless specific rules are in play.
French Roulette with La Partage is a notable exception where the house edge on these 1:1 bets drops to 1.35% if the ball lands on zero. This rule, applicable only to even chance bets, offers players a more favourable outcome in that specific scenario compared to standard European Roulette.
While the maximum payout for a straight bet on a single number is 35:1 in many roulette games, the consistent 1:1 payout on a large portion of the wheel provides a different kind of betting dynamic. Even with a 10% contribution to bonus wagering from table games, these bets offer frequent, albeit smaller, returns.
100 Euro Bankroll: 100 Rounds Simple Chances
With a 100 Euro bankroll, a player aiming for 100 rounds on simple chances would be wagering 1 Euro per round. If playing a game with a 1:1 payout for these simple chances, and assuming no losses, the bankroll would remain at 100 Euros after 100 rounds. This scenario highlights the potential for sustained play.
However, the house edge is a critical factor that influences long-term results. Even with a favourable RTP of 97.30% found in European Roulette, over 100 rounds, a slight theoretical erosion of the bankroll is expected due to the 2.70% house edge. This means the 100 Euro bankroll may not remain exactly at 100 Euros.
Considering the welcome bonus of 300% up to €2,000 plus 100 free spins, a player starting with 100 Euros could have a significantly larger bankroll to begin with. This increased capital could allow for more rounds or larger wagers, but the fundamental probability and house edge still apply to every bet placed.
House Edge: What 2.70 Percent Actually Costs
The house edge on European Roulette stands at 2.70 percent, a figure derived from its 37 sectors. This represents the casino's theoretical advantage over the player in the long run. For instance, on a 100 € bet, the expected loss due to the house edge is 2.70 €.
In contrast, American Roulette features a higher house edge of 5.26 percent due to its additional '00' sector, bringing the total sectors to 38. This means for every 100 € wagered on American Roulette, the casino expects to retain 5.26 €.
French Roulette with the La Partage rule significantly reduces the cost for even-money bets to a mere 1.35 percent house edge. This rule refunds half the stake when the ball lands on zero, effectively lowering the disadvantage for these specific wagers.
Statistics: 2.70 Percent of Every Bet
The RTP for European Roulette is 97.30 percent, aligning with the 2.70 percent house edge calculated across all 37 sectors. This statistical measure indicates the theoretical return to player over an extended period of play. For example, a 100 € wager is expected to return 97.30 € to the player over time.
American Roulette, with its 38 sectors including '00', has a lower RTP of 94.74 percent, directly corresponding to its 5.26 percent house advantage. This difference means a 100 € bet on American Roulette is statistically expected to return 94.74 € to the player in the long run.
French Roulette, specifically with the La Partage rule applied to even chances, boasts an impressive RTP of 98.65 percent. This elevated return is a direct consequence of the rule refunding half the stake on zero outcomes for these bets, lowering the house edge to 1.35 percent.
Payout Table from 35:1 to 1:1
A straight bet on a single number in European Roulette, such as 35:1, offers a fixed payout structure across its 37 sectors. This payout ratio applies to all single-number bets, maintaining the house edge of 2.70 percent. For a 10 € straight bet win, the payout is 350 €.
However, the 'Five Number Bet' in American Roulette is an exception, offering a payout of only 6:1 for covering five specific sectors including '0' and '00'. This unique bet carries a significantly higher house advantage of 7.89 percent, making it less favourable than other bets on the American wheel.
Standard outside bets like Red/Black, Odd/Even, or High/Low typically pay 1:1 in most roulette variants, including European and French roulette. These bets cover roughly half the numbers on the wheel, providing more frequent but lower returns. The payout for a 10 € winning even-money bet is 10 €.
When Does the Lock for Risk Bets Apply?
The La Partage rule in French Roulette specifically applies to even-money bets, such as Red/Black or Odd/Even, when the ball lands on zero. This rule provides a 50% refund of the stake, lowering the house edge on these bets to 1.35 percent. It does not affect inside bets.
For the 'En Prison' rule, also found in some French Roulette variants, an even-money bet that lands on zero is 'imprisoned' for the next spin. If the bet wins on the subsequent spin, the original stake is returned without profit; if it loses, the stake is forfeited. This rule also lowers the house edge.
These rules, La Partage and En Prison, are designed to mitigate the casino's advantage on specific bet types. They do not apply to the 'Five Number Bet' on American Roulette, which, with its 7.89 percent house edge, is a high-risk proposition compared to other available wagers.
Minimum and Maximum Bets Limit Every Martingale
Betting limits at Glorion Casino are structured to accommodate a range of players. For example, on Auto Roulette Classic 1 Live, the minimum bet is set at 0.10 EUR, while the maximum reaches up to 2,000 EUR. This wide range allows for diverse betting strategies.
In contrast, Quantum Roulette, offered by Playtech, presents a higher maximum bet limit of 5,000 EUR, alongside a minimum of 0.10 EUR. This increased ceiling may appeal to players employing more aggressive betting systems, though the presence of quantum multipliers adds another layer of potential variability.
The Mega Roulette from Pragmatic Play Live also features a maximum bet of 2,000 EUR, with a minimum of 0.20 EUR. While these limits can accommodate many betting patterns, extreme progression systems like the Martingale might still be constrained by the maximum bet, preventing indefinite doubling of stakes.