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Blackjack Basic Strategy

Mathematically optimal play for every hand. Adjust the rules to match your table and minimize the house edge.

Estimated House Edge0.33%

Hard Totals

Hand2345678910A
5HHHHHHHHHH
6HHHHHHHHHH
7HHHHHHHHHH
8HHHHHHHHHH
9HDDDDHHHHH
10DDDDDDDDHH
11DDDDDDDDDD
12HHSSSHHHHH
13SSSSSHHHHH
14SSSSSHHHHH
15SSSSSHHHRhRh
16SSSSSHHRhRhRh
17SSSSSSSSSRs
18SSSSSSSSSS
19SSSSSSSSSS
20SSSSSSSSSS
21SSSSSSSSSS

Soft Totals

Hand2345678910A
A,2HHHDDHHHHH
A,3HHHDDHHHHH
A,4HHDDDHHHHH
A,5HHDDDHHHHH
A,6HDDDDHHHHH
A,7DsDsDsDsDsSSHHH
A,8SSSSDsSSSSS
A,9SSSSSSSSSS
A,10SSSSSSSSSS

Pairs

Hand2345678910A
A,APPPPPPPPPP
2,2PhPhPPPPHHHH
3,3PhPhPPPPHHHH
4,4HHHPhPhHHHHH
5,5DDDDDDDDHH
6,6PhPPPPHHHHH
7,7PPPPPPHHHH
8,8PPPPPPPPPRp
9,9PPPPPSPPSS
10,10SSSSSSSSSS

Legend

HHit
SStand
DDouble (else Hit)
DsDouble (else Stand)
PSplit
PhSplit if DAS (else Hit)
RhSurrender (else Hit)
RsSurrender (else Stand)
RpSurrender (else Split)

Basic strategy is derived from computer simulations of millions of hands. It represents the statistically optimal play but does not guarantee wins on any individual hand. House edge estimates assume perfect basic strategy play.