# blackjack # decks # use # many

**How Many Decks Do Casinos Use in Blackjack?** Blackjack is a popular casino game that is played with a standard deck of 52 cards. However, many casinos also offer blackjack games that use multiple decks of cards. The number of decks used in a blackjack game can have a significant impact on the house edge, or the casino's advantage over the player. **The House Edge in Blackjack** The house edge in blackjack is the percentage of money that the casino expects to win over time. The house edge is calculated by taking the difference between the expected return to the player and 100%. For example, if the expected return to the player is 95%, the house edge is 5%. The house edge in blackjack can vary depending on a number of factors, including the number of decks used. In general, the more decks that are used, the higher the house…