Online Casino Blackjack Strategies

Blackjack Odds and Probability Charts

To fully understand the game of blackjack, you must understand and master blackjack odds. It is important to know how the casino gains its edge and how it helps them win.

It ss also important to understand blackjack odds such as the odds of hitting a 10 or the odds of being dealt a blackjack.

Casino and Dealer Advantage in Blackjack

In most casino games of blackjack, the house advantage (the dealer advantage) is around 8%. The house gets this advantage by the dealer being the last player to act. By acting last, all other players have already made their decisions and in many cases bust before the dealer has his turn.

Probability of Busting on a Hit

It is extremely important to know the probability of your hand busting when considering whether or not to "hit" in the game of blackjack. The following odds chart shows the blackjack odds of busting, based on your current hand value:

Hand Value	% Bust If You Hit
21	100%
20	92%
19	85%
18	77%
17	69%
16	62%
15	58%
14	56%
13	39%
12	31%
11 or Less	0%

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Two-Card Count Frequencies

This chart shows the percentage chance that you will be dealt a hand in each given value range.

Note that the chance of being dealt a natural blackjack (natural 21 value)is 4.8%.

The most common two card hand, at 38.7%, is a hand totaling 1-16, which is considered a decision hand.

Two Card Count	% Frequency
Natural 21	4.8%
Hard Standing (17-20)	30.0 %
Decision Hands (1-16)	38.7%
No Bust	26.5%
TOTAL	100.0%

Dealer Final Hand Probabilities

This blackjack chart shows the dealer final hand probability.

These are the percentages that the dealer will end up with a hand totaling each corresponding value.

Dealer Final Hand Value	%	Cumulative % Total
Natural 21	4.82%	4.83%
21 (3 or More Cards)	7.36%	12.19%
20	17.58%	29.77%
19	13.48%	43.25%
18	13.81%	57.06%
17	14.58%	71.64%
16	28.36%	100.00%

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Player Advantage vs. Dealer Up Card

The first two columns in this chart explain the dealers chance of busting, depending on the up card that he is showing.

Note that the dealer has the highest chance of busting when he is showing a 5.

The third column in this chart shows the player advantage, compared to each up card the dealer is showing. You can see that the player has the highest advantage of 23.9%, when the dealer is showing a 5. When the dealer is showing any card that is 9 value or higher, the player is in the negative advantage range.

Dealer Up Card	Dealer Bust %	Player Advantage %
2	35.30%	9.8%
3	37.56%	13.4%
4	40.28%	18.0%
5	42.89%	23.2%
6	42.08%	23.9%
7	25.99%	14.3%
8	23.86%	5.4%
9	23.34%	-4.3%
J,Q,K	21.43%	-16.9%
A	11.65%	-16.0%

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