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The house edge in blackjack is the operator’s share of each £1 staked over a very large number of hands: about 0.28% under liberal rules with basic strategy, and 1.36 points more when blackjack pays 6 to 5. The working, with £10 put through it.
Read What is the house edge in blackjack: the sum, worked in pounds
Casino house edge is the share of each £1 staked that the operator keeps on average. It comes from the gap between true odds and paid odds: £10 on red at a single-zero wheel costs 27p, or 2.70%.
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| What is the house edge in blackjack: the sum, worked in pounds | Article | Casino mathematics | 4 | Read What is the house edge in blackjack: the sum, worked in pounds | |
| What is casino house edge and how does it work? | Guide | Casino mathematics | 9 | Read What is casino house edge and how does it work? |
For a slot the published figure is RTP, and the house edge is 100% minus it; the Commission’s guide says gaming machines must make their %RTP available, and online slot help pages usually state it. Slot-specific detail belongs to Reel & Story; this page is the arithmetic.
From What is the house edge in blackjack: the sum, worked in pounds
Mostly as RTP on the game’s help page rather than as an edge, and for blackjack as a rule sheet, because the edge depends on the player’s decisions. We did not survey operators and name none.
From What is the house edge in blackjack: the sum, worked in pounds
They add to 100% for a fixed-rule game: a 96% RTP is a 4% house edge. Both are averages over a very large number of plays, which the Commission’s guide says is ‘not each time the gaming machine is played’.
From What is the house edge in blackjack: the sum, worked in pounds
From the payout and the pocket count: on a single-zero wheel a straight-up bet pays 35 to 1 against 37 pockets, so EV = (1/37 × 35) − (36/37 × 1) = −1/37, a 2.70% edge. Wheel Theory applies this to every roulette bet.
From What is the house edge in blackjack: the sum, worked in pounds
Of the rule sets on this page, blackjack under liberal Vegas Strip rules at 0.28% with basic strategy, per Wizard of Odds; baccarat’s banker bet at 1.06% is the lowest that does not depend on your decisions. Lowest is a cost, not a gain.
From What is the house edge in blackjack: the sum, worked in pounds