Gambling Math Every High-Level Player Should Know

Math is a big part of gambling, from odds, statistics, house edge, and more — read on to discover the gambling math you should know if you want to level-up your game.

Casinos

Gambling is all about math. When it comes to odds-based gaming, high-level players require a great understanding of gambling math to ensure the chance of winning is on their side over the long run. Gambling odds are used to calculate the potential outcomes of casino games.

Each game of chance, with its own unique set of odds, requires a player to juggle a large number of calculations quickly to determine the best course of action to improve their win rates. If you don’t play like this, then the house advantage will grow significantly, and lower your odds of winning.

The people that use math to their advantage are constantly calculating the odds and placing their bets accordingly. Even if you aren’t a pro, it is still worth your while to get up to speed with gambling math.

There is a lot of simple math that will keep you playing longer and increase your wins. I’ll take you through the basics, as well as the not-so-basic, elements of gambling math!

Where is Math Used in Gambling?

All mathematicians know that math is everywhere if you know where to look. The biggest use of math in gambling is in a field known as probability. Probability is defined as the numerical representation of how likely a future event is to occur. In gambling terms, this could be described as the likelihood of a bet being successful or not.

Math, first and foremost, is used by game developers to ensure that their game remains profitable in the long term for USA online casinos.

The house edge, which has been programmed into the game, is technically unbeatable regardless of skill level and strategy. Slot machines are an excellent example of this, where a player expects to win based on their playing theory or strategy, but the game’s results will always be random and fixed. It is important to note that the house edge protects the casinos interests in the long term.

Understanding gambling math, and more specifically game probabilities, allows you to reap short term profits in skill-based games. Particularly in games that are played against other players, having a good understanding of probabilities is what will set you apart from the competition. This is evident with poker players at a large tournament. It will always end up with familiar people at the final table because they have the best minds for poker probabilities.

In sport betting, math is used to show potential payouts of the various bets you can place. Understanding odds is important if you want to have any hope of making some money betting on sports. In some cases, the standard deviation of odds from bookmakers can ensure that you will win. However, this type of bet is hard to find as bookmakers check on each other and recalculate odds instantly.

Slot machines are based solely on math. Software providers can show the return to player (RTP) percentage that can be expected from a particular slot because of the mathematical model behind the game. A slot machine that has a 95% RTP means that over time the slot will pay out this amount to the player, with 5% being the house edge that is the casino profit.

Besides probabilities, you will need a good understanding of math to ensure that you practice bankroll management. Making calculated bets is the best way to keep your bankroll healthy while playing. Some strategies gamblers like to use in games are based on similar properties. Learning how to manage your funds will exercise the mathematical mind during games and become a basis for strategy and responsible gambling.

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Pot Odds in Gambling

stack of US hundred dollar bills

The higher the odds, the higher the payout — if you win.

Gambling probability and pot odds are two sides of the same coin. Pot odds is used to reflect how much you will spend on a bet and how much will be paid out if a bet is successful.

For example, a pot with odds of 9:1 will pay out 9x your bet if you are successful. The greater the odds, the higher the payout. When playing Texas Hold‘em you would need to calculate the probability of the other players having a specific hand, based on the cards that have already been dealt, as well as your own hand, to establish what the pot odds are. When looking at the pot odds, you can determine just how risky it would be to call other player’s bets.

When playing poker, it is important to only play when the pot odds are in your favor. Then you have a higher chance of turning a net profit if you decide to call. Playing poker online is a great way to practice your gambling math, and our online casino reviews are the perfect starting point for choosing the best online casinos around.

This is What Influences Odds

When it comes to betting odds, one has to consider several variables which change depending on which game you are playing. Here are some of the most important variables that have an influence on pot odds.

Game rules

Depending on which real money online casino you are playing at, certain games may have different rules. This is particularly common with Blackjack which will have different rules relating to Split aces/pairs or the number of times that you can double down on bets. The table rules will have a significant impact on pot odds.

Number of decks in play

Another Blackjack variable is the number of decks that are used. Having more decks in play will make it more difficult for you to predict which cards are going to be dealt.

Potential payout

In Blackjack, the standard payout is 2:1. In other versions, there is a payout of 6:5, which is of course not in your favor and should be avoided. This 6:5 house edge is not common but shows that you should always check the basics of the game before playing.

Number of players involved

The number of players is a variable which effects odds in gambling. The more players there are, the lower your odds are of receiving a particular hand. This is simply because there are a greater number of possible outcomes to consider.

Dave Consolazio

Dave Consolazio has been passionate about writing and sports journalism since his high school years. He has a degree in Broadcast Journalism from USC where he worked with the school's radio and television stations. His work has been featured in SportsbookReview, Sports Illustrated and SB Nation. Dave's experience ranges across multiple fields in the gambling industry. You can find his sports, casino, and poker articles in GambleOnline.co.

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