Blackjack Calculator – Loan calculator

Blackjack Basic Strategy Calculator

Enter your two cards and the dealer's upcard to get the optimal basic strategy recommendation.

Your Card 1: Ace King Queen Jack 10 9 8 7 6 5 4 3 2

Your Card 2: Ace King Queen Jack 10 9 8 7 6 5 4 3 2

Dealer's Upcard: Ace King Queen Jack 10 9 8 7 6 5 4 3 2

Understanding Blackjack Basic Strategy

The Blackjack Basic Strategy Calculator is a tool designed to help players make the mathematically optimal decision in any given blackjack situation, based on their initial two cards and the dealer's upcard. Following basic strategy minimizes the house edge, giving you the best possible chance to win in the long run.

How to Use the Calculator:

Select Your Cards: Choose the value of your first and second cards from the respective dropdown menus. For face cards, select King, Queen, or Jack.
Select Dealer's Upcard: Choose the value of the dealer's visible card.
Get Recommendation: Click the "Get Recommendation" button. The calculator will instantly display the optimal move (Hit, Stand, Double Down, or Split) according to standard basic strategy.

Key Blackjack Terms:

Hit: Take another card.
Stand: Take no more cards.
Double Down: Double your initial bet, receive one more card, and then stand. This is usually allowed only on your first two cards.
Split: If you have two cards of the same rank (a pair), you can split them into two separate hands by placing an additional bet equal to your original bet. Each hand is then played independently.
Soft Hand: A hand that includes an Ace counted as 11. For example, Ace-6 is a soft 17. If you hit a soft hand and the next card makes the total exceed 21, the Ace can revert to counting as 1 to prevent busting.
Hard Hand: A hand that either does not contain an Ace, or contains an Ace that must be counted as 1 to avoid busting. For example, 10-7 is a hard 17. Ace-6-10 is also a hard 17 (Ace counts as 1).

Why Basic Strategy Matters:

Basic strategy is not a guarantee of winning every hand, but it is the statistically proven way to reduce the casino's advantage to its lowest possible point (typically around 0.5% to 1%, depending on specific rules). It's based on millions of simulated hands and provides the best decision for every possible combination of player cards and dealer upcard.

Limitations:

This calculator provides standard basic strategy. Keep in mind that specific casino rules (e.g., whether the dealer hits or stands on soft 17, surrender options, re-splitting rules) can slightly alter the optimal strategy. This calculator does not account for card counting or other advanced strategies.

// Helper to get numeric value of a card function getCardNumericValue(cardName) { if (cardName === "Ace") return 11; // Initially treat Ace as 11 if (cardName === "King" || cardName === "Queen" || cardName === "Jack" || cardName === "10") return 10; return parseInt(cardName); } function calculateBlackjackStrategy() { var playerCard1Name = document.getElementById("playerCard1").value; var playerCard2Name = document.getElementById("playerCard2").value; var dealerUpcardName = document.getElementById("dealerUpcard").value; var playerCard1Val = getCardNumericValue(playerCard1Name); var playerCard2Val = getCardNumericValue(playerCard2Name); var dealerUpcardVal = getCardNumericValue(dealerUpcardName); var playerHandTotal; var isPlayerSoft = false; var hasAceCard = (playerCard1Name === "Ace" || playerCard2Name === "Ace"); var initialTotal = playerCard1Val + playerCard2Val; if (hasAceCard && initialTotal 21) { isPlayerSoft = false; // Ace must be 1 playerHandTotal = initialTotal – 10; // One Ace becomes 1 } else { isPlayerSoft = false; playerHandTotal = initialTotal; } var result = ""; // — Basic Strategy Logic — // 1. Check for Pairs (if cards are identical by name) if (playerCard1Name === playerCard2Name) { switch (playerCard1Name) { case "Ace": // AA result = "Split"; break; case "10": // TT case "King": // KK case "Queen": // QQ case "Jack": // JJ result = "Stand"; break; case "9": // 99 if (dealerUpcardVal >= 2 && dealerUpcardVal = 2 && dealerUpcardVal = 2 && dealerUpcardVal = 2 && dealerUpcardVal = 5 && dealerUpcardVal = 2 && dealerUpcardVal = 2 && dealerUpcardVal = 3 && dealerUpcardVal = 4 && dealerUpcardVal = 5 && dealerUpcardVal = 17) { result = "Stand"; } else if (playerHandTotal >= 13 && playerHandTotal = 2 && dealerUpcardVal = 4 && dealerUpcardVal = 2 && dealerUpcardVal = 3 && dealerUpcardVal <= 6) { result = "Double Down"; } else { result = "Hit"; } } else { // 8 or less result = "Hit"; } } // Display result var handType = isPlayerSoft ? "Soft" : "Hard"; if (playerCard1Name === playerCard2Name) { handType = "Pair"; } document.getElementById("blackjackResult").innerHTML = "Your Hand: " + playerCard1Name + " & " + playerCard2Name + " (Total: " + playerHandTotal + " – " + handType + ")" + "Dealer's Upcard: " + dealerUpcardName + "" + "Recommended Action: " + result + ""; }