Casino House Edge Calculator β How It Works
The house edge is the casino's long-run advantage over the player. This calculator estimates how much you can expect to lose given your game choice, average bet size, and time played. Results represent the statistical long-run average, not guaranteed outcomes.
House Edge by Game
Video poker (9/6 JoB) at 0.46% and blackjack with basic strategy at 0.5% offer the best player odds. Baccarat (banker) is 1.06%, European roulette 2.7%, and American roulette 5.26%. Slot machines vary widely from 3β15% depending on the jurisdiction and specific game.
Expected Loss Formula
Expected Loss = Bet Γ House Edge Γ Rounds per Hour Γ Hours. Slots spin 400β600 times per hour, so even small bets accumulate losses quickly β despite low-looking bet sizes.
FAQ
A mathematically optimal play chart that tells you whether to hit, stand, double, or split based on your hand and the dealer's upcard. Without it, the house edge rises to 2β4%.
RTP (Return to Player) = 100% β house edge. Many jurisdictions require it to be disclosed in the game's info screen or paytable.
Theoretically yes β skilled counters can flip the edge slightly in their favor. However, casinos watch for it and will ban players caught counting.