Layer_1 (2)

 How to Calculate House Edge in Online Casino Games

user-circle
Admin
blog-date
July 24, 2025
How-to-Calculate-House-Edge-in-Online-Casino-Games
Stay updated on our latest posts by subscribing!
Subscribe

The house edge refers to the built-in advantage of the casino in every game. It indicates to you the average percentage of every bet that the casino keeps as its profit. The house edge is part of the game rules; for example, an edge of 4% means that players will lose about €4 for every €100 bet on average. If you know this number, you can know which games give better odds.

What Is House Edge and Why Does It Matter?

The house edge may seem like a complex concept, but it’s quite simple. It’s just the percentage of your bet that the casino expects to take in the long run. The higher the house edge, the more money the casino makes. The lower the house edge, the higher the player’s chances are of walking away with a win. If an example of a slot is 96% RTP to the player, there’s a 4% edge to the house. So, the house keeps around $4 of every $100 wagered over time.

How to calculate House Edge

The basic house edge formula is:

House Edge = ((Total Bets − Total Winnings) ÷ Total Bets) × 100 

Thus, the generic formula is: 

House Edge = 100% − RTP 

For instance, let’s assume that players make bets totaling $100 and win back $95. The $5 ‘left over’ is what the benefit of the casino is; hence, the house advantage would be equivalent to 5%. 

Here’s another example. Imagine you bet €1 on a single number in European Roulette (1 in 37 chance), then you’d win €35. So, the house edge here is about 2.7%, as the actual odds don’t quite correspond precisely to the payout.

How Casinos Profit 

Consider a coin flip. If the payout is even (1:1), then the house edge is 0%. However, if the casino pays you $0.90 for every $1 win, even though you still win half the time, you’ll still be losing $0.05 per bet on average. That’s a 5% house edge. That’s the way games are always designed by casinos, giving less than “true odds” in the long run to make a profit. Even if you win now, the math favors the house over time.

Conclusion

Understanding how to calculate the house edge will make you a better player. You will know which games offer favorable odds and be able to moderate your expectations. Whether you are spinning a roulette wheel or playing a round of slots, knowing the edge puts you at an advantage. Optimizing for low house edge, high RTP games all the time, and in the long run, it will save your money and help sharpen your strategy.

FAQS

What is the house edge in online casino games?

The house edge is that small theoretical advantage over the players. It represents an average percentage of every bet that the casino keeps as profit in the long run.

How do you calculate the house edge in an online casino?

You can calculate the house edge using this formula:

House Edge = ((Total Bets − Total Winnings) ÷ Total Bets) × 100 

House Edge = 100% - RTP (Return to Player). This formula shows what percentage of every bet that the casino makes it is expected to keep on average.

Why is understanding the house edge important for players?

Understanding the house edge is a matter of helping the players make informed choices. That includes identifying which of the games offer better odds and planning on how to manage the losses over time. Generally, therefore, the lower the edge, the better your shot.

Which casino games have the lowest house edge?

Blackjack (with optimal strategy), video poker, and baccarat (betting on the banker) are among the lowest house edges in casino games; usually less than 1%, which is much more favorable for the players.


Next Day Bonus TP EN20x Wagering TP EN100k TP ENCrypto supercharge

RECENT POSTS

Data protection in gambling platforms
Online gambling has grown rapidly over the last decade. Players love gambling from the convenience of their homes, having the freedom of choice of the games they want to gamble, and taking advantage of bonuses such as free spins offered just for signing up. But with the growth of platforms comes an increase in data […]
READ MORE
user-circle
Admin
blog-date
September 23, 2025
What are Call Bets in Roulette
Roulette looks simple when you watch it for the first time. There is a wheel, a ball, and chips. You place a bet on red or black, cross your fingers and hope the ball lands in your favor. If you win, you feel like a rock star. If you lose, you just laugh it off […]
READ MORE
user-circle
Admin
blog-date
September 16, 2025
How Blockchain is transforming online gambling
Online gambling is changing so quickly, mostly due to blockchain technology. At first, blockchain was only for Bitcoin and other ways to create digital money. But now it can do so much more, and it is really changing a variety of industries. For online casinos, blockchain can offer the thing that players have always wanted: […]
READ MORE
user-circle
Admin
blog-date
September 11, 2025
Rust gambling
From the very beginning, gambling has always adapted to new technology. Starting with lotteries and dice, we have moved to digital casinos. Now, a new trend is moving to merge survival-style games with the gambling thrill we all know. The idea is called Rust gambling and is shaking up both gaming and gambling. You could […]
READ MORE
user-circle
Admin
blog-date
September 8, 2025
Paroli Roulette Strategy A Smarter Way to Bet
Roulette is one of those games that appears simple but can draw you in quickly. The wheel spins, the ball bounces, and you have gotten used to it and think the universe owes you a win, when the first thing that pops into your mind is betting strategies like the Martingale or Fibonacci. But there […]
READ MORE
user-circle
Admin
blog-date
September 1, 2025
What is even money in blackjack?
Blackjack is a strange little card game. On one side, it is dead simple: beat the dealer without going over 21. On the other side, the deeper you go, the more weird little rules and casino tricks are going to start revealing themselves. One of the most common is called “even money.” So what is […]
READ MORE
user-circle
Admin
blog-date
August 29, 2025
1 2 3 30
READY TO EXPERIENCE THE BEST ONLINE CASINOS WE RECOMMEND
mobile casino
Join thousands of satisfied bettors enjoying top-tier gaming, secure platforms, and unbeatable bonuses.
EXPLORE TOP CASINOS
© 2025 Top Casino Bet. All rights reserved.