Roulette House Edge

A lot of people that gamble wonder how casinos manage to stay in business. After all, shouldn’t bets be even between the casino and the players? The truth is much more complicated. There is a house edge roulette that you have to be aware of when playing. This increases the chances that the croupier and casino will win the game compared to the chances that you will get a win.

We’ll have the roulette house edge explained here so you know what you are getting into before you step up to the table and set down some chips on a bet.


Understanding the Roulette House Edge

The edge of the house for roulette can range in certain scenarios between 2.70% and 5.26% based on the sort of wheel that the house is using. This stems from the fact that the roulette wheel in American roulette style has a 0 and a 00. These two numbers decrease the chance that you will be able to pick a winning number. For European and French roulette, the sectors only have a 0, so you get a better chance at winning the game right off the bat. So, the American roulette house edge is 5.26% and the European roulette house edge and the French roulette house edge are 2.70%.

Roulette House Edge

The house edge is the reason that you can have casinos. They have a better chance at winning a game than you, so they are able to host these bets at their establishment and offer you a chance at the action. The house edge roulette is present in every casino.

The concept of house advantage

The house advantage was designed so that they can make money, pay their workers, and earn money from people that come into the casino. However, they have to be very open about the chances that you have at winning at game. It’s very easy to see the potential payouts and odds when you place just about any kind of bet. So, you can learn how to calculate roulette house edges quickly and efficiently.

Now that you have the roulette house edge explained, we can delve into some of the more important elements of this concept.

How to calculate the house advantage

When playing house take roulette, you’ll be able to use a simple formula to see your chances of winning during the game.

For example, the house advantage in the roulette with one number can be conceptualized as 1 chance in 37 of winning. In this case, the house advantage lies in the formula of the number of sectors you are betting with (1) divided by the pockets on the wheel (37) and then multiply by 100 to get a percentage.

1 x 1/37 = 0.0270270 x 100 = 2.70270 , or a rounded 2.70%. This is the single zero roulette house edge.

The same math works when you are calculating the double zero roulette house edge but the result is 5.26% instead. You can even calculate for a triple zero house edge by using this method.

Another type of roulette that is a little different is the lightning roulette. The lightning roulette house edge the same as European roulette, but the rules are slightly different. For one thing, the game is played at a much faster rate and has the potential for bigger winnings.

Winning at roulette and house edge

Just because the game of roulette has a house edge doesn’t mean that it isn’t worthwhile. After all, there are ways to diminish the house edge by betting in certain ways so that you optimize your chance of getting at least some return on your investment.

One of the common ways of doing this is by betting on red and black, odd and even or high and low. These give you almost a 50% chance of winning, but the payout is lower than you would get from others. That being said, another way to cover yourself is to bet on dozens and then add in smaller bets on other numbers. So, if you took the first 12 as a bet and then added 5 bets on odd numbers, you would lower the amount of money that you could make, but you would also make it possible to win real money instead of just losing.

Straight 35/1 2.70% 2.70%
Split 17/1 5.41% 2.70%
Street 11/1 8.11% 2.70%
Square or Corner 8/1 10.81% 2.70%
Six Line 5/1 16.2% 2.70%
Column 2/1 32.4% 2.70%
Dozen 2/1 32.4% 2.70%
Red / Black 1/1 48.64% 2.70%
Odd / Even 1/1 48.64% 2.70%
High / Low 1/1 48.64% 2.70%
Straight 35/1 2.63% 5.26%
Split 17/1 5.26% 5.26%
Street 11/1 7.89% 5.26%
Square or Corner 8/1 10.53% 5.26%
Five Line 6/1 13.16% 7.89%
Six Line 5/1 15.79% 5.26%
Column 2/1 31.58% 5.26%
Dozen 2/1 31.58% 5.26%
Red / Black 1/1 46.37% 5.26%
Odd / Even 1/1 46.37% 5.26%
High / Low 1/1 46.37% 5.26%
Straight 35/1 2.70% 2.70%
Split 17/1 5.41% 2.70%
Street 11/1 8.11% 2.70%
Trio (0,1,2 / 0,2,3) 11/1 8.11% 2.70%
Four-Number (0,1,2,3) 8/1 10.81% 2.70%
Square or Corner 8/1 10.81% 2.70%
Six Line 5/1 16.2% 2.70%
Column 2/1 32.4% 2.70%
Dozen (P12, M12, D12) 2/1 32.4% 2.70%
Red / Black 1/1 48.64% 2.70%
Impair (Odd) / Pair (Even) 1/1 48.64% 2.70%
Manque (Low) / Passe (High) 1/1 48.64% 2.70%

Element of Risk

The whole process of gambling involves some risk. Even when you know the potential outcomes for your different bets, the fact remains that you are putting your money at risk. With that in mind, as long as you are willing to accept the potential for losses while gambling, you could enjoy betting.

The fact is that the house edge does limit your potential for earnings but think of it as the price you pay to enjoy casinos because nobody would risk that much of their money for no potential return.


Does this mean I should only play European roulette?

No, American rules are just as fun and engaging, upping the ante with your bets, so to speak.

Is there any way to get past the house edge?

No, the house edge is built into every casino game.

Are there other betting types besides straight numbers?

Yes, especially with regards to French rules on betting. Inside and outside bets are both important to know and understand.

Does the house edge mean I’ll never win?

No, it just means you have a lower chance of winning. It doesn’t affect your gameplay that much.


The house edge is a topic that many roulette players love to discuss, mostly in derision. However, it is almost a necessary part of the business models of casinos. If you’re able to understand the house edge and recognize the impact that it has on the game, then you should know that it’s not that major.

All in all, it’s always a good idea to be aware of the different rules surrounding roulette, including things like the house edge in various settings. Use this knowledge so you can play the game as an educated individual.

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