Learn
The rules, the odds, the cost
Each game explained with its engine's own numbers: what every bet pays, how often it wins, and what the house keeps.
- BlackjackBeat the dealer's hand without going over 21.From 0.40% house edge
- RouletteOne ball, 37 or 38 pockets, every bet the same price.From 2.70% house edge
- BaccaratBet on the player, the banker or a tie; the cards decide everything.From 1.06% house edge
- CrapsTwo dice, one point, and the best-priced bet in the house.From 0.00% house edge
- SlotsA machine with its insides printed on the front.From 6.37% house edge
What each bet costs
What the house keeps from every 100 chips bet, over the long run. Worked out by the engines this site plays with; the published figures agree.
- CrapsCraps · Free odds0.00%
- BlackjackBlackjack · Basic strategy0.40%
- BaccaratBaccarat · Banker1.06%
- BaccaratBaccarat · Player1.24%
- CrapsCraps · Don't pass1.36%
- CrapsCraps · Pass line1.41%
- CrapsCraps · Place 6 or 81.51%
- RouletteRoulette · Any bet, European wheel2.70%
- CrapsCraps · Place 5 or 94.00%
- RouletteRoulette · Any bet, American wheel5.26%
- CrapsCraps · Field5.56%
- BlackjackBlackjack · Playing like the dealer5.66%
- BlackjackBlackjack · Never busting5.86%
- SlotsSlots · One spin6.37%
- CrapsCraps · Place 4 or 106.67%
- RouletteRoulette · The top line (0, 00, 1, 2, 3), American7.89%
- BaccaratBaccarat · Tie (8 to 1)14.36%
Blackjack's figure assumes perfect basic strategy; every other figure is exact. Wizard of Odds, blackjack · Wizard of Odds, roulette · Wizard of Odds, baccarat · Wizard of Odds, craps · How slot machines work (the maths here is this machine's own).
Play chips are free and worth nothing. Real gambling costs real money; if it stops being fun, help is one call away.