Blackjack, twenty-one, 21 - Whatever name you choose, do you ever find yourself wondering when should I stay on 13? When do I double down? Are there times I shouldn't split a pair?

21 Strategy Guide lets you select the dealers card, your two cards and then makes a suggestion on when to hit, stay, split or double down.

This blackjack strategy application is an interactive tool you can use as part of the process to learn a strategy for blackjack. Think of it as a quick reference guide for the next level beyond "stay at 17".

Just remember, this is an educational tool to learn a strategy - we're not telling you to gamble nor are we suggesting you will beat the house using this strategy. Our experience suggests the house always wins in the end!

DISCLAIMER: This utility is a basic strategy guide to suggest a guideline for when to hit, stay, split or double down. The authors make no warranty related to the application or the basic strategy contained within. This utility should be used as an educational tool only and should not be used as a method to determine actual betting.