Quick answer: Blackjack is played with anywhere from 1 to 8 decks. Single-deck uses 52 cards. Most modern casino tables use 6 decks (312 cards) or 8 decks (416 cards). Fewer decks lower the house edge slightly, but the blackjack payout (3:2 vs 6:5) affects your odds far more than deck count does. If you […]