Blackjack House Edge Calculator

See exactly how each rule changes the casino's edge.

The house edge is the casino's long-run advantage. Blackjack rules change it a lot — this calculator shows the exact edge for any combination of rules, based on perfect basic strategy.

House edge

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What the blackjack house edge is

The house edge is the casino's long-run mathematical advantage, expressed as a percentage of your bet. In blackjack it depends almost entirely on two things: the table rules and how well you play. This calculator shows the exact edge for any rule combination, assuming perfect basic strategy.

Which rules move the edge — and by how much

Toggle the controls above and watch the number change in real time — it is the quickest way to understand why some tables are far better than others.

From edge to action

Knowing the edge only helps if you play the matching strategy. Every rule set here comes with its exact basic strategy chart, and you can rehearse it in the trainer.