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Blackjack calculators
Each calculator works from an exact calculation for the rules you choose – the same engine that builds the strategy charts.
House edge calculator
The casino's edge for your exact rules, and what it means for your bet.
Open →Hit or stand calculator
Every move's average result for any hand against any dealer up card.
Open →3:2 vs 6:5 payout calculator
What a blackjack pays at 3:2, 6:5 and even money – and what 6:5 costs.
Open →Dealer bust odds
How often the dealer busts, and lands on 17 to 21, for each up card.
Open →Bankroll and session calculator
The average result of a session and how far it usually swings either way.
Open →Risk of ruin calculator
The chance of losing your whole bankroll before you reach a goal.
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