To calculate the odds of getting a pair of 4s, we count all possible combinations: To calculate the chance of getting a particular pair of cards, count all the possible combinations for that pair and divide by the total number of combinations (1,326) to get the result. The number of possible combinations for getting two cards in poker ( one deck consists of 52 cards) is 1,326. Always use statistics to support your decisions. Knowing the odds of getting the card you need or the odds of your opponents holding certain cards will help you make better decisions and win more hands. In this article, we present important statistical calculations. All poker players calculate their odds of getting a premium hand such as a pair of aces, kings, or an A-K, as well as the odds of getting a particular out card on the flop, turn, or river. Probability calculations are an integral part of the game of poker. Probability of Getting a Premium Hand in Poker