Online Roulette Casinos — Legal in Ontario (2026)

Online Roulette: The Fundamentals

In case you didn’t know, a roulette wheel lays flat and is divided into 37 or 38 slots. These slots are numbered from 1 through 36 and alternate between red and black. In addition to the 36 coloured and numbered slots, there are either one or two additional slots depending on the version of the online roulette you are playing. These slots are green and bear the numbers 0 and, if applicable, 00.

A round of roulette begins with players placing their wagers. We’ll get to the various bet types further below. Once the wagers are placed, the croupier spins the roulette wheel and then flings a small white ball in the opposite direction. As the momentum of the wheel and the spinning ball slows, the ball eventually settles in one of the slots. The slot in which the ball lands determines all bets’ outcomes. The round concludes with the croupier taking all the losing wagers off the table and then paying out the winners.

If you are a history, math, or physics nerd, you are probably familiar with the exploits of Blaise Pascal. He was incredibly smart as well as a talented inventor. Like any inventor, Pascal’s work resulted in many successes, but he also endured his fair share of failures. One of these failures was his perpetual motion machine. However, it would turn out that Pascal’s contraption would indeed find a purpose. You see, Pascal’s perpetual motion would later evolve into the roulette wheel.

Online Roulette Wagers

Even though there are loads of roulette bets available, they are just two basic types. These are known as inside bets and outside bets.

Newcomers to online roulette should become familiar with these terms because they dictate the payouts. Inside and outside simply refers to the part of the betting board where the wager is placed. Inside bets are wagers placed on the numbers, while outside bets refer to wagers placed on any other part of the board. So, if you were to make a straight bet on the ball to land on slot number 6, then you are making an inside bet. After clearing that up, let’s dive deeper and explain some of the most common inside and outside bets.

Inside Bets

We know that inside bets are those placed on the part of the board that displays the numbers 1 through 36. So here are the six inside bets you need to understand if you want to play online roulette at your favourite Ontario online casino.

Straight Bet

This is the easiest online roulette bet one can make. Straight bets also offer the biggest payouts. The bettor simply wagers on a single number. If they win, they receive a payout of 35 to 1. In American Roulette, you have a 2.6% chance of hitting a straight bet, while European Roulette gives you a 2.7% chance.

Split Bet

A split bet is a wager on two numbers adjacent to each other on the betting board. For example, the number 11 is adjacent to the 8, 10, 12, and 14. To make a split bet ian online roulette, you simply place your chip so that it partially but evenly covers the two numbers you want to wager on. If you win, the croupier will pay you 17 to 1. American Roulette offers a 5.3% chance of nailing a split bet, while European Roulette gives you a 5.4% chance.

Street Bet

The numbers on the betting board are divided into three columns of 12 numbers or 12 rows of three numbers, depending on how you look at it. A street bet involves wagering on one of the rows of three numbers. For instance, you can bet on the 1, 2, and 3, or you can choose to bet on the 25, 26, and 27. If your bet prevails, the croupier pays you 11 to 1. Your odds of winning a street bet in American online roulette is 7.9%, while European Roulette offers an 8.10% chance.

Corner Bet

A corner bet, also known as a square bet, involves placing your chip in a way that covers four numbers in a square. For example, you could set your chip to cover the 13, 14, 16, and 17 or the 32, 33, 35, and 36. A winning corner bet yields a payout of 8:1. You have a 10.5% chance of winning a square bet in American Roulette online and a 10.8% chance of winning one in European Roulette.

Double Street Bet

Seeing how a street bet is a wager on one row of three numbers, it should make sense that a double street bet is a wager on two adjacent rows. Betting on the 1, 2, and 3, along with the 4, 5, and 6, is a double street bet. This offers a 5 to 1 payout, and the odds of hitting a double street bet in American Roulette is 31.58%. You have a 32.43% chance of winning a double street bet in European Roulette.

Outside Bets

We will now examine some of the most common online roulette outside bets. As you recall, an outside bet is any bet placed outside the main numbered area. Most outside bets are straightforward to understand, as many are self-explanatory.

High or Low Bets

You already know that there are 36 numbers on the board. Of course, we’re excluding the 0 and 00, which we will address a little later on. For now, forget they even exist. Betting high or low simply means you are wagering whether the result will be either 1 through 18 or 19 through 36. Bet on low if you think the ball will land in slots 1 to 18, and bet high if you want the ball to land in slots 19 to 36. A winning high or low bet pays even money. You have a 47.4% chance of winning a high or low bet in American Roulette and a 48.6% chance of winning in online European Roulette.

Odd or Even Bets

Another betting option in online roulette is wagering on whether the result will be an odd or even number. Like high and low bets, winning odd/even bets pay back at a rate of 1 to 1. You have a 47.4% chance of winning an odd/even online roulette bet in the American version, while the European variant gives you a 48.6% chance.

Red or Black Bets

There are 18 red slots and 18 black slots. So, the only thing you need to consider when placing a black/red bet is whether the ball will land on a red slot or if it will settle into a black slot. Choosing the correct colour will net you a 1-to-1 payout. Just as odd/even and high/low online roulette bets, your odds of winning a red or black bet in American Roulette is 47.4%, while the European version gives players a 48.6% chance.

Dozen Bets

Do you remember how street bets are wagers on rows of three numbers? And how do double street bets let you cover two adjacent rows? Well, a dozen bets just take the double street bet to the next level by letting the player wager on four rows. There are three ways to place a dozen bets. You can bet on the first square of numbers 1 through 12. You can wager on 13 through 24 or bet on 25 through 36. A winning dozen bets pay out 2 to 1. You have a 31.6% chance of winning a dozen bet in American Roulette and a 32.4% chance of pulling it off in European online roulette.

Column Bet

As mentioned, the roulette betting board features three columns of 12 numbers. This makes for another roulette betting option known as a column bet. As the name suggests, players wager on one column of numbers. The payout and odds of winning are exactly the same as they are for dozen bets.

Online Roulette: Points to Ponder

If you’ve read this far, it should be obvious that betting on online roulette for real money is a piece of cake. However, you probably have a few questions. For starters, you might be asking about the role of the 0 and 00. After all, they aren’t included with the 36 numbers on the betting board. This is what gives the house its mathematical edge.

The 0 and 00 also distinguish American Roulette from the European version. A European Roulette wheel has a 0 slot, while the American Roulette game features both a 0 and a 00. This is why European Roulette gives you a slightly better chance of winning than its American counterpart.

You will also notice that the payouts don’t always correspond to the actual odds of winning. For instance, your chances of winning a dozen bet in European Roulette online is 32.4% which is very close to a 1 in 3 chance. However, a winning dozens bet also only pays out 2:1. In other words, some bets come with more value than others.

While we have gone over a few of the most common online roulette bets, there are a few other roulette bets available. Some of these bets even incorporate the 0 and 00 into them. However, most online roulette bets do not include 0 or 00. Most people automatically lose their bets if the 0 or 00 show up.

Beginner Tips for Playing Roulette Online

Before you head to your favourite Ontario online casino to play online roulette for real money, we suggest you take some time to learn the ropes. The best Ontario online casinos will let you try their roulette variants for free using play money. Because these online casinos are available on most mobile browsers or by downloading an app, you can hone your online roulette game while on the go.

While it might be tempting to start placing random wagers all over the board, it’s a good idea to start with online roulette for real money by putting some easier bets like straight bets or any of the aforementioned outside bets. Once you get the hang of those wagers, you can experiment with other bets like split bets, corner bets, and street bets.

Doing this with play money in demo mode means you can learn online roulette without worrying about losing any money. You should become well-versed in the intricacies and nuances of the game in no time. Then, you’ll know it’s time to head to the real money tables.

Closing Thoughts

Now that you’ve reached the end of this online roulette tutorial, you should be able to see that it’s quite an easy game to play. Online roulette gives players a wide range of betting options and flexible odds, making it a great game for bettors of all stripes.

This guide focused on American Roulette and European Roulette

to maintain an easy-to-follow pace. This is because they are the two most popular roulette games. However, there are numerous other variants that you will inevitably come across in your online casino adventures. These include:

• French Roulette
• Hybrid Wheel Roulette (Mini Roulette)
• Double Ball Roulette
• Multi-Wheel Roulette
• Progressive Jackpot Roulette

The object of each online roulette variant remains the same, but each version comes with various twists in the rules. Be sure to check out the rules so that you know what you are doing. It is also to your advantage to try these online roulette games for free at one of our recommended online casinos.