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Blackjack Basic Strategy Calculator

Interactive basic strategy chart, hand decision simulator, and Hi-Lo card counting trainer for mathematical education.

Example Hand

Your Hand
A♠
♠
A♠
6♥
♥
6♥
Total: Soft 17
Dealer
9♦
♦
9♦

Optimal Action

↑HitRecommended

Soft 17 vs dealer 9: Hit to improve your hand. You can't bust on the next card.

Ruleset:

Basic Strategy Chart

This chart shows the optimal decision for every possible hand against each dealer upcard. The strategy varies slightly based on the selected ruleset.

HHit - Take another card
SStand - Keep current hand
DDouble - Double bet, take one card
PSplit - Split pair into two hands
RSurrender - Forfeit half bet

Hard Totals

Player Hand2345678910A
Hard 8HHHHHHHHHH
Hard 9HDDDDHHHHH
Hard 10DDDDDDDDHH
Hard 11DDDDDDDDDD
Hard 12HHSSSHHHHH
Hard 13SSSSSHHHHH
Hard 14SSSSSHHHHH
Hard 15SSSSSHHHRH
Hard 16SSSSSHHRRR
Hard 17SSSSSSSSSS

Soft Totals

Player Hand2345678910A
A,2HHHDDHHHHH
A,3HHHDDHHHHH
A,4HHHDDHHHHH
A,5HHHDDHHHHH
A,6HDDDDHHHHH
A,7DDDDDSSHHH

Pairs

Player Hand2345678910A
2,2PPPPPPHHHH
3,3PPPPPPHHHH
4,4HHHPPHHHHH
5,5DDDDDDDDHH
6,6PPPPPHHHHH
7,7PPPPPPHHHH
8,8PPPPPPPPPP
9,9PPPPPSPPSS
10,10SSSSSSSSSS
A,APPPPPPPPPP

Related Guides

Blackjack House Edge
How low can it go?
Basic Strategy Chart Guide
Complete reference

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