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When Should You Double Down in Blackjack? Download Article Co-authored by Hunter Rising
Last Updated: March 17, 2025 Fact Checked
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What is doubling down in blackjack?
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When You Should Double Down
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When Not to Double Down
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How do you double down in blackjack?
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This article was co-authored by wikiHow staff writer, Hunter Rising. Hunter Rising is a wikiHow Staff Writer based in Los Angeles. He has more than three years of experience writing for and working with wikiHow. Hunter holds a BFA in Entertainment Design from the University of Wisconsin - Stout and a Minor in English Writing. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 121,883 times. Learn more...
If you want to win big at blackjack, making a double down bet is a thrilling way to win twice as much money during a hand. While you could double down for any hand, there are some really easy strategies to know when you should and shouldn't risk it all. Keep reading to learn how to make a double down bet and what hands will give you the most luck for a big payout!
Things You Should Know
Doubling down is making a bet equal to your initial wager after being dealt your first 2 cards. You only get dealt 1 more card and cannot hit.
Double down if your cards total 9, 10, or 11 without an ace. You can also double down if your cards total 16, 17, or 18 when you have an ace.
Never double down if the dealer has an ace or if your cards total more than 11.
Steps
Section 1 of 4:
What is doubling down in blackjack?
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Doubling down is when you double your bet and get dealt one more card. After you’re dealt your first 2 cards, you can choose to double your bet if you’re confident that your hand will beat the dealer. After you choose to double down, you’ll only get dealt one more card and won’t be able to hit.
You can’t double down if you’re dealt a 10 and an ace since it’s a blackjack equalling 21 and already a winning hand.
While most casinos only let you double down after you’re dealt your first 2 cards, some casinos may let you place a double down bet after you split a pair into 2 separate hands. Check the table rules to know when you’re allowed to make a bet.
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When You Should Double Down
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1 When your cards total 11 There’s a good chance that the next card you’re dealt is a 10, so you’d reach 21 and get a blackjack. Even if you aren’t dealt a 10, the next card could still get you close to 21 without the risk of busting.[1]XResearch source
2 When you have a hard 9 or 10 A “hard” hand means that you don’t have any aces in your hand. Since there are more chances of drawing a high number than a lower number, you have a pretty good chance of getting a high value.[2]XResearch source
Doubling down with a hard 9 or 10 works best if the dealer has a total of 2–6 in their hand since there are more chances that they’ll get a lower total or bust.[3]XResearch source
3 When you have a soft 16, 17, or 18 A “soft” hand is when you have an ace since it counts as either 1 or 11. If you’re dealt a card with a lower value, you have the chance to get a blackjack or even closer to 21. Getting dealt a card with a higher value still puts you close to 21 so there’s a shot you could win the hand.[4]XResearch source
A double down bet on a soft 16, 17, or 18 works best when the dealer is showing 3–6 in their hand.[5]XResearch source
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When Not to Double Down
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1 When the dealer is showing an ace If the dealer has an ace, there’s a really good chance that they’ll get a blackjack. Rather than risking chips by doubling down, stick with your initial bet and play out your hand. You can still hit to get more cards if you want, but don’t make any additional bets on your hand.[6]XResearch source
2 When you have a hard total of more than 11 If you don’t have an ace in your hand and your cards still total more than 11, there’s a lot of risk that the next card could make you go over 21 and bust. It’ll be safer to keep your initial bet so you can hit or stand without having to lose more chips.[7]XResearch source
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How do you double down in blackjack?
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Place an equal bet next to your original wager after you’re dealt cards. Right after you’re dealt your first 2 cards, all you have to do is push chips equal to your original bet out onto the table. The dealer will know that you’re doubling down on your hand and they’ll deal your next card horizontally to show that you can’t hit for any more cards.[8]XResearch source
You’ll always have to wager exactly the same amount as your initial bet when you double down.
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Question What is the 777 rule in blackjack? wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. wikiHow Staff Editor Staff Answer The 777 rule means you win if at least one of your first two cards is a 7. You win more if both of your first two cards are 7s. If the dealer's up card is also a 7, your payout increases further. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 0
Question What is the most profitable blackjack strategy? wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. wikiHow Staff Editor Staff Answer The Martingale betting strategy is a popular betting strategy that involves doubling the bet amount after each losing hand to offset losses. The logic is that an eventual winning hand will recover all of your previous losses and leave you with a profit equal to your original bet. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 0
Question What is the golden rule of blackjack? wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. wikiHow Staff Editor Staff Answer There isn't a single "golden rule" in blackjack, but there are several key principles from basic strategy. You should always split Aces and 8s, never split a pair of 5s or 10s, always double down on a hard 11, stand when your hand is 12-16 and the dealer's upcard is 2-6, and never take insurance or "even money." Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 0
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Each casino has different rules about when you can double down, so be sure to check the table rules before you make any wagers. Thanks Helpful 0 Not Helpful 0
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Co-authored by: Hunter Rising wikiHow Staff Writer This article was co-authored by wikiHow staff writer, Hunter Rising. Hunter Rising is a wikiHow Staff Writer based in Los Angeles. He has more than three years of experience writing for and working with wikiHow. Hunter holds a BFA in Entertainment Design from the University of Wisconsin - Stout and a Minor in English Writing. This article has been viewed 121,883 times. 15 votes - 75% Co-authors: 4Updated: March 17, 2025 Views: 121,883 Categories: Casino Card Games In other languages Spanish Japanese
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Co-authored by: Hunter Rising wikiHow Staff Writer This article was co-authored by wikiHow staff writer, Hunter Rising. Hunter Rising is a wikiHow Staff Writer based in Los Angeles. He has more than three years of experience writing for and working with wikiHow. Hunter holds a BFA in Entertainment Design from the University of Wisconsin - Stout and a Minor in English Writing. This article has been viewed 121,883 times. 15 votes - 75% Co-authors: 4 Updated: March 17, 2025 Views: 121,883 Categories: Casino Card Games In other languages Spanish Japanese 
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Doubling down is when you double your bet and get dealt one more card. After you’re dealt your first 2 cards, you can choose to double your bet if you’re confident that your hand will beat the dealer. After you choose to double down, you’ll only get dealt one more card and won’t be able to hit. 
1 When your cards total 11 There’s a good chance that the next card you’re dealt is a 10, so you’d reach 21 and get a blackjack. Even if you aren’t dealt a 10, the next card could still get you close to 21 without the risk of busting.[1] 
2 When you have a hard 9 or 10 A “hard” hand means that you don’t have any aces in your hand. Since there are more chances of drawing a high number than a lower number, you have a pretty good chance of getting a high value.[2] 
3 When you have a soft 16, 17, or 18 A “soft” hand is when you have an ace since it counts as either 1 or 11. If you’re dealt a card with a lower value, you have the chance to get a blackjack or even closer to 21. Getting dealt a card with a higher value still puts you close to 21 so there’s a shot you could win the hand.[4] 
1 When the dealer is showing an ace If the dealer has an ace, there’s a really good chance that they’ll get a blackjack. Rather than risking chips by doubling down, stick with your initial bet and play out your hand. You can still hit to get more cards if you want, but don’t make any additional bets on your hand.[6] 
2 When you have a hard total of more than 11 If you don’t have an ace in your hand and your cards still total more than 11, there’s a lot of risk that the next card could make you go over 21 and bust. It’ll be safer to keep your initial bet so you can hit or stand without having to lose more chips.[7] Advertisement 
Place an equal bet next to your original wager after you’re dealt cards. Right after you’re dealt your first 2 cards, all you have to do is push chips equal to your original bet out onto the table. The dealer will know that you’re doubling down on your hand and they’ll deal your next card horizontally to show that you can’t hit for any more cards.[8] 
wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. 
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