An in-depth understanding of Roulette odds and its probabilities

Roulette is a game of chance, and as such, it relies solely on odds. So, it’s worth learning how they work before you decide which way to bet. There are several bets that you can put in the Roulette game, and the Roulette odds can vary greatly based on the variety of the game you chose to play. We’ll introduce you to this guide:

  • How to evaluate your Roulette odds
  • How the various styles of Roulette bets work
  • How to use the Roulette wheel to your advantage

An in-depth understanding of Roulette odds and its probabilities

What are Roulette Odds?

The betting odds of hitting a single figure on a Roulette straight-up bet are 37 to 1 and there are 38 numbers available. However, the house spends just 35 to 1 on winning bets, with the same odds on winning combination bets. So you can see that the house edge is big.

Calculate the odds with these charts

Players also wonder, how much does Roulette pay? There’s no easy solution since the payouts vary depending on the Roulette type you’re playing. There are calculable Roulette odds for any given bet, which depend primarily on the variety of the game. The theoretical payout chances in Roulette are offered in the form of x to 1, which ensures that you win x dollars for every 1 dollar you bet.

How are the Roulette payouts calculated?

Divide the number 36 on your particular bet by the number of squares your bet occupies. Then deduct 1 from that number to get the payout odds.

Odds & Payouts at European & American Roulette

Roulette bet


European Roulette odds

American Roulette odds

Single Number

35 to 1



2 Number Combination

17 to 1



3 Number Combination

11 to 1



4 Number Combination

8 to 1



5 Number Combination

6 to 1



6 Number Combination

5 to 1




2 to 1




2 to 1




1 to 1




1 to 1




1 to 1



Odds by Bet Type

This is the first thing you need to remember about Roulette bets: they fall into two key groups. You can place 2 types of bets on a Roulette table depending upon the table layout

  • Outside bets
  • Inside bets

In a bit more detail, let ‘s talk about the options.

What is a bet on the outside?

Mostly, this bet gives players the best chance of a payout. Outside bets comprise half of the potential outcomes of a game of Roulette. Your payoff with such a high chance of winning is not going to be especially generous-it is usually 1:1.

The other types of outside bets that have 12 numbers on the Roulette wheel and have marginally higher chances of payout are the Column & Dozen. Both give you about a 1 in 3 opportunity to win, and a payout of 2:1.

There is a range of bets on a Roulette table that are “outside” the 38 numbers. For these bets, a clear preference of numbers or colours exists. If the ball falls on 0 or 00, every outside gamble would lose.

Examples of outside bets include:

Red or BlackWhen the ball drops on the colour you pick, this gamble pays off at even odds (1 to 1). 

Odd or Even – If the ball lands at odd or even (whichever you choose), this gamble pays off at even odds (1 to 1).

Low or High -The payoff would be equal chances (1 to 1), whether the ball lands on 1-18 whether you bet low, or if the ball lands on 19-36 if you bet high.

Column – The reward would be 2 to 1 if the ball lands on one of the numbers in the column you pick. The numbers on the form of the Roulette are arranged into three columns of 12 numbers each.

Dozens -The payoff would be 2 to 1 if the ball lands on either the first 1-12, the second 13-24 or the third dozen 25-36, depending on what you pick.

An in-depth understanding of Roulette odds and its probabilities

What’s an inside bet?

If you feel ambitious, you may want to make an inside gamble. This applies to bets on particular numbers and fixed numbers on the inside of the Roulette layout. Within plays have a smaller probability of winning, but payout higher if they succeed. The house edge of the inside bets is the same as that of the outside bets.

Examples of inside bets include:

Straight-up-The payout will be 35 to 1 (with a 2.7% probability in the European Roulette and 2.6% in the American Roulette) when you bet on one particular number out of 2. Often referred to as a single-number bet.

Split-The payoff will be 17 to 1 (with a 5.4 per cent probability in the European Roulette and 5.3 per cent in the American Roulette) when you bet on two neighbouring numbers.

Street – The payout would be 11 to 1 (with a percentage probability of 8.1% bet on a group of three numbers (i.e. 19, 20, 21).

Corner – The payout will be 8 to 1 (with a percentage chance of 10.8% for European Roulette and 10.5% for American Roulette) as you bet on four numbers by putting your chip in the corner that ties them all together (essentially the middle of four numbers). It’s sometimes called a square bet or a quarter bet.

If you play European Roulette or French game variations, you’ll even be able to play something known as a called bet. If you choose this option, you will be able to position either a set or a variable called a bet.

Called Bets

Called bets differ from the aforementioned bets in that they are clustered according to positions on the classic Roulette wheel rather than on the table. Here are a few examples of called bets:

Fixed called bets

Neighbours of Zero – A bet on all 17 numbers above the green nil

Thirds of the Wheel – A bet on 12 numbers placed adjacent to the zero neighbours

Zero Game – A bet on seven numbers close the green zero

Orphans – A bet on any of the numbers not protected by the other bets

Variable called bets

Neighbours – A gamble on five neighbouring numbers

Finals – A bet on the last number (e.g. 5 will be a bet on 5, 15, 25, 35)

How to better your Roulette game by boosting your odds:

An in-depth understanding of Roulette odds and its probabilities

Roulette is considered to be one of the hardest games to win, and that’s partly because of the big house advantage this game has. Did you know that on the American wheel, for example, the house edge is 5.26%? Despite this, Roulette is a famous game with a fun, fast pace that keeps players coming back for more!

You should also realise that there is no alternative to how to win the Roulette on any spin. However, if you’re trying to boost your Roulette chances, you’ll need to learn how to make the most of your odds. While being a winner in this game is simply down to luck, there are things you can do to give yourself a greater chance of having the all-important payoff. here are some hidden tips from our experts:

Know your odds

The chances of the various bets made in the Roulette vary significantly, but if you’re trying to make the best of your bankroll, you’ll certainly need to know your odds. Read the odds for various forms of Roulette bets before your game.

Choose your game smartly

As in every game that provides a few combinations, the results are different based on which variant you want to play. So, if you’re torn between the American, French or European Roulette, make sure you look at the various odds of each variant before you play. Yeah, it could be the difference between a disastrous defeat and a major victory!

Outside bets are going to give you the best shot

If you want to be sure you have the highest chance of betting, outside bets may just be the thing because they pay out more often. Stick to the table’s minimum bet if you want to stay safe and, in comparison, making two equivalent outdoor bets is a perfect way to spread your bets and give yourself a fair chance of a payout.

Go for European Roulette

Try to pick a European Roulette wheel. The European Roulette has the lowest house edge of all Roulette models. If you go for American Roulette, the edge of the house is almost twice. European Roulette wheels can be found at many online casinos providing online Roulette.

The Winissimo Online casino provides many variants of Roulette on its website including the live Roulette version. This is quite fascinating to the players as it gives them the feel of a real land-based casino.

Information is Power

This is pretty much about the conditional probability and Roulette odds on all potential bets you might put on the Roulette. Be sure you remember them and use your information when developing effective tactics.

Bear in mind that whatever you do, the edge of the house will always be against you. Strategies tend to succeed, but they still struggle in the long run. Know when you’re going to stop and don’t forget to have fun. Good luck to you!

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