Casino House Edge Calculator
Calculate the theoretical house edge (casino advantage) for popular casino games based on specific rules and bet types.
Formulas Used
General House Edge: House Edge (%) = −E[V] × 100, where E[V] = Σ (probability of outcome × net payout)
Blackjack (Basic Strategy): Base edge by deck count + rule adjustments (H17: +0.22%, 6:5 payout: +1.39%, no DAS: +0.14%, late surrender: −0.08%, resplit aces: −0.08%)
Roulette: Edge = 1 − (n/S) × (P+1), where n = numbers covered, S = total slots (37 or 38), P = payout ratio. French La Partage halves edge on even-money bets.
Baccarat Banker: Edge = −(0.95 × P(Banker) − P(Player)) using 8-deck probabilities: P(B)=45.8597%, P(P)=44.6247%, P(T)=9.5156%
Craps Pass Line: Edge = (220 × (−1) + 976 × EV_points) / 1980 ≈ 1.41%
Slots: House Edge = 100% − RTP%