Blackjack Card Counter (Hi-Lo)

Use the Hi-Lo card counting strategy to gain an advantage in Blackjack. Our interactive tool helps you practice and make smarter betting decisions.

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How Hi-Lo Card Counting Works

The Hi-Lo strategy is the most popular card counting system for Blackjack. It assigns a value to each card to determine whether the remaining cards in the deck favor the player or the house (dealer).

  • Low Cards (2, 3, 4, 5, 6): Valem +1. Removing them is good for the player.
  • Neutral Cards (7, 8, 9): Valem 0. They don't affect the count.
  • High Cards (10, J, Q, K, Ace): Valem -1. Removing them is bad for the player.

Running Count vs. True Count

Running Count: It's the sum of all card values that have been played. It's the count you keep mentally.

True Count: It's the running count divided by the number of decks remaining to be played. This is the most important metric, as it gives you a real estimate of your advantage. For example, a running count of +10 is much more powerful when only 1 deck remains than when 5 decks remain.

How to Use the Count for Betting

The True Count tells you when the advantage is in your favor, allowing you to increase your bets.

  • True Count of +1 or less: The house has the edge. Make the minimum bet.
  • True Count of +2: You have the edge. Increase your bet (e.g., 2x the minimum bet).
  • True Count of +3 or more: Your edge is significant. Increase your bet even more (e.g., 3x or 4x the minimum bet).

Remember that card counting doesn't guarantee wins, but it increases your odds in the long run. Play responsibly.

Frequently Asked Questions

Is card counting illegal?+

No, card counting is not illegal. It's a mental strategy. However, casinos reserve the right to ask a player to leave if they suspect they are counting cards and gaining a significant advantage.

What's the difference between Running Count and True Count?+

The Running Count is the simple sum of card values. The True Count adjusts this count by the number of remaining decks, giving a much more accurate measure of the player's advantage.

When should I increase my bet?+

You should increase your bet when the True Count is high (generally +2 or more). A high count means there are more 10-value cards and Aces remaining in the deck, which increases your chances of getting a Blackjack.

Does this calculator work for any type of Blackjack?+

This calculator uses the Hi-Lo strategy, which is the most common and can be applied to most Blackjack variants. However, specific table rules (such as the number of decks or whether the dealer stands on soft 17) may slightly affect the optimal strategy.