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Blogs Jul 30, 2025 6 min read by Alice

Understanding Roulette Odds and Their Significance

Understanding Roulette Odds and Their Significance
American & European Roulette: The Differences Are Clear As Day

A game of roulette can be fun and exciting based on how you end up playing the game. However, the fun stops after a point if you fail to understand the impact that roulette odds have over the game. Odds are important aspects to consider if you want to move further in the game and make the most of it. While luck can also determine a thing or two, it is no reason to brush odds aside and forget about them. 

So let’s get into an analytical mode and examine the different odds that are attached to a game of roulette. 

American & European Roulette: The Differences Are Clear As Day

Before getting into the meaning and definition of roulette odds, we need to first understand the difference between American roulette and European roulette because these differences, do in fact, cause an impact. The differences between both these forms of roulette tend to impact the design and the house edge, which in turn causes an impact on the odds. While the American wheel has 38 pockets for the roulette ball to roll around, the European wheel has 36. 

Two extra green pockets for the American version make their count to 38 while only one green pocket for zero makes the European version settle down with 36. These differences remain the same whether you are playing online roulette or offline because you get to decide your preferred version. However, the impact that your choice causes is there to be seen. 

The extra green pocket on the American roulette helps the casino with a better house edge, which is why the house edge for the same is 5.26% while it is merely 2.7% for European roulette. This difference in house edge affects the odds and hence, the odds of winning are particularly low for American roulette. With lower odds and a bigger house edge, American roulette is often brushed aside for its European counterpart.

The House Decides for Roulette

With the house edge being 5.26% for American roulette and 2.7% for European roulette, you can now understand the difference between them. A 5.26% refers to the fact that you are bound to lose 5.26 units for every 100 units that you bet on the game. This amount belongs to the house and hence, that is called the house edge. It is a simple percentage of bet that the house takes away and every game has a different percentage attached to it.

So keeping this in mind, let’s dig deeper into Roulette’s probabilities and of course, the odds. 

Roulette and its Friend Called ‘Probabilities’

Roulette probabilities tend to cover an important topic of discussion and it is one that you should never avoid. As the name suggests, it speaks about the probability of winning at Roulette, which takes us a step closer to the odds of this classic casino game. And here, the probabilities are drawn from the roulette wheel, because that is clearly how the game begins.

For example, let’s say you are going to play European roulette, which has 37 divisions spread across numbers from 1 to 36 and 0 and you choose 17 as your target. So you will place bets on the same with the hope of getting things going. And by doing so, your probabilities will depend upon what you have placed bets on and the number of options available. Hence, your probabilities are 1 in 37.

Roulette Odds and Their Significance

  • European Roulette and odds

As we all know, the European single-zero wheel has 37 divisions, with numbers ranging from 1 to 36. So the probability of a hit is one in 37 and the odds are 36 to one. The main reason for the odds indicating a shortage of one unit is because the pay back stands at 35 to one. After all, the casino has the last laugh. So the odds are 36 to one and the payout remains at 35 to one. 

With these figures, you can also determine the house edge and the following formula should help you get it all.

Shortage in Units No. of Divisions 100

So the shortage in units for the European version is one and the total number of divisions is 37. Hence, 

1 37100 ﹦2.7

The odds for European roulette, as stated before, is 2.7%.

  • American Roulette and odds

One chance to make it and around 37 ways to lose is how you sum up the probability of playing the American version of Roulette. And while some may believe that 37 will also be close to the payoff, they are completely wrong. The house has to gain something from the deal and thus two units do not appear in the payoff. So the odds for American roulette is 35 to one. 

And if we have to use the above-mentioned formula to know the odds, it would result in 2 as a shortage of units and 38 for the number of divisions. So 2 divided by 38 and then multiplied by 100 would be 5.26%. 

Will the Odds Help You Get Lucky?

Understanding the odds and the house edge will certainly make a difference and that comes into the picture whether you are playing with an online casino or an offline one. However, they also don’t necessarily mean that you can get lucky or that you will be lucky. Roulette odds are specific figures that originated with the goodness of math. So in the short run who knows what could happen or what will happen. 

You could either win a game or two or even keep on losing. So the aspect of financial risk and the importance of gambling responsibly comes into the process. 

Be a Good Kid and Gamble Responsibly

Gambling responsibly involves understanding the risks of the games and being responsible with every approach. You don’t go overboard if you are responsible and you don’t certainly keep on doubling your bets with the hope of winning. Moreover, you also don’t bet more than what you could afford to lose because financial management is quite important for leading a good life. Hence, gamble responsibly. 

Alice
Do you go through the game review before you spin, or do you simply launch the slot and hope for the best? In case you belong to the first group, then there is a very good chance you have already read something written by Alice. Alice writes the slot reviews, the how-to-play walkthroughs, and the game guides here at Swift Casino. She is the one who sits with a new release for hours together, clicking the hamburger icon, opening up the pay table, checking where exactly the spin button has been placed on the screen, and noting down how the free spins get triggered, so that you do not have to work it all out on your own. Her interest in slots started in a fairly ordinary way, with a fruit machine in a corner of a pub and a small handful of coins, and it simply never went away after that. So what does she actually look for in a game? Volatility, mostly. Alice is of the opinion that the volatility rating tells you far more about how a session may go than the RTP percentage does, hence, she always mentions both of them, and she explains what they mean every single time, even when it starts to feel repetitive. In case a game offers a return that is lower than the industry standard, she says so plainly. She does not believe in dressing up a weak pay table with pretty adjectives. Are you tired of reviews that read like advertisements? Don’t worry, that is definitely the thing Alice tries hardest to avoid. Every win claim she writes is hedged, because slots are games of chance and you may possibly win nothing at all on a given spin. As mentioned earlier, she covers the special features too, such as the wilds, the scatters, the multipliers, the cascading reels, and more, all of which hold the potential of increasing the chances of the players landing more winning combinations. Away from the reels, Alice is a fairly boring person by her own admission. Long walks, murder mysteries, and a stubborn loyalty to a football team that keeps letting her down. She also writes our responsible gambling explainers, and she treats that work as the important one. Real gambling comes with real risk, and hence, you must play responsibly. At Swift Casino, we take the matter of responsible gambling very seriously and have an entire section dedicated to it, offering players tools for their assistance. Well then, what are you waiting for? Go through Alice’s latest reviews, pick a game that suits your style, and enjoy!
Jul 30, 2025 · 6 min read · View all articles · LinkedIn