Blackjack House Edge Calculator

Last update: ?

Enter any set of blackjack rules from the options below. The house edge under proper basic strategy for these rules is indicated in the box below.

Number of decks of cards used: 1 2 4 5 6 8

Dealer hits or stands on a soft 17: stands hits

Player can double after a split: no yes

Player can double on: any first two cards 9-11 only 10-11 only

Player can resplit to: 2 3 4 hands

Player can resplit aces: no yes

Player can hit split aces: no yes

Player loses only original bet against dealer BJ: no yes

Late surrender allowed: no yes

Blackjack pays: 3 to 2 6 to 5

Optimal results:
Realistic results:

Methodology: The "optimal results" are based on perfect composition dependent strategy and the dealer shuffling after every hand, which benefits the player. The "realistic resuts" are based on total dependent basic strategy, like the tables on this site, and the use of a cut card, which favors the dealer.