How to Play Blackjack: Rules, Basic Strategy and Payouts

Blackjack is the most widely played casino table game in the world, and the rules are simple enough to learn in a few minutes: you and the dealer each try to build a hand that totals as close to 21 as possible without going over. What makes blackjack stand out from most casino games is that your decisions actually matter. With the correct play, the casino’s long-run advantage can drop to around half a percent, lower than almost any other game on the floor. This guide explains the rules, the card values, every move you can make, how the payouts work, and the basic strategy that math says is the best way to play each hand.

What is blackjack?

Blackjack is a card game played between one or more players and a dealer, where everyone plays against the dealer rather than against each other. The goal is to finish with a hand total higher than the dealer’s without exceeding 21. Going over 21 is called a “bust” and loses the hand immediately.

The game is played with one to eight standard 52-card decks. Each player is dealt two cards and the dealer takes two cards, usually with one face up (the “upcard”) and one face down (the “hole card”). You then decide how to play your hand based on your own total and the dealer’s visible upcard. The dealer, by contrast, has no choices to make and must follow fixed house rules.

The name “blackjack” also refers to the best possible hand: an ace paired with any ten-value card on the first two cards, totalling 21. This is often called a “natural,” and it beats every other 21 and pays a premium. Understanding casino table games like this one shares a lot with learning any new game of chance and skill, in the same way our guides to how to play baccarat and roulette break those games down step by step.

Card values: how hands are scored

Every card in blackjack has a point value, and your hand total is simply the sum of your cards. The suits do not matter at all. The values are:

• Number cards (2 through 10): worth their face value, so a 7 is worth 7 points.
• Face cards (Jack, Queen, King): each worth 10 points.
• Ace: worth either 1 or 11, whichever helps your hand more. The value can change during the hand.

Hard hands versus soft hands

The ace’s flexibility creates two kinds of hand, and the difference drives most strategy decisions. A “soft” hand contains an ace counted as 11, so it cannot bust with one more card — for example, an ace and a 6 is a “soft 17.” A “hard” hand either has no ace, or has an ace that must count as 1 to avoid busting. If you draw a card that would push a soft hand over 21, the ace simply drops to 1 and the hand becomes hard. A hand of 10-6 is a “hard 16,” and so is an ace-5-10.

How to play a hand step by step

A round of blackjack follows the same sequence every time, which makes it easy to pick up. Here is the full flow of a single hand:

1. Place your bet. You put your wager in the betting box before any cards are dealt.
2. The deal. You receive two cards and the dealer receives two, one face up and one face down.
3. Check for a natural. If your first two cards are an ace and a ten-value card, you have blackjack and normally win immediately unless the dealer also has one.
4. Make your decisions. Starting to the dealer’s left, each player chooses to hit, stand, double down, split or surrender until they either stand or bust.
5. The dealer plays. The dealer reveals the hole card and draws cards according to fixed rules until reaching a required total.
6. Settle the bets. Hands are compared, winners are paid and losing bets are collected.

If both you and the dealer end on the same total, the hand is a “push” and your bet is returned — nobody wins or loses.

The player’s choices explained

Your decisions are where blackjack becomes a game of skill rather than pure luck. On your turn you can choose from up to five actions, depending on the table rules and your cards.

Hit

Hitting means taking another card to increase your total. You can keep hitting as many times as you like until you choose to stop or your total exceeds 21 and you bust.

Stand

Standing means keeping your current total and ending your turn. You stand when you believe your hand is strong enough, or when taking another card risks busting.

Double down

Doubling down lets you double your original bet in exchange for exactly one more card, after which your turn ends automatically. It is a powerful move when you have a strong starting total — most often a hard 9, 10 or 11 — and the dealer looks weak.

Split

If your first two cards are a pair, you can split them into two separate hands, each with its own bet equal to your original wager. You then play each hand on its own. Many tables let you re-split up to four hands, though split aces usually receive only one card each.

Surrender

Where it is offered, surrender lets you fold a bad hand after the deal and reclaim half your bet, forfeiting the other half. It limits losses in situations where you are a clear underdog, such as a hard 16 against a dealer’s 10.

Insurance

When the dealer’s upcard is an ace, you may be offered insurance, a side bet of up to half your original wager that the dealer has blackjack. It pays 2 to 1 if the hole card is a ten-value card. Despite the reassuring name, insurance is a long-term losing bet for players who are not counting cards, and basic strategy says to decline it.

How the dealer plays

The dealer has no freedom of choice — they must follow one fixed rule, and knowing it shapes your own decisions. The dealer draws until reaching a total of 17 or more, then stops. The only variation is how the dealer handles a soft 17 (an ace counted as 11 plus cards totalling 6):

• Stand on soft 17 (S17): the dealer stops on any 17. This rule is better for the player.
• Hit soft 17 (H17): the dealer draws one more card on a soft 17. This adds roughly 0.2% to the house edge, so S17 tables are the ones to look for.

Because the dealer must keep drawing to 17, a dealer upcard of 2 through 6 is “weak” (more likely to bust) and 7 through ace is “strong.” That single fact is the backbone of basic strategy.

Blackjack payouts explained

Payouts in blackjack are fixed and easy to learn, but one detail quietly decides how good a table is. A winning hand normally pays even money (1 to 1), so a $10 bet returns your $10 plus $10 in winnings. The exceptions are what matter:

The key number is the blackjack payout. A natural should pay 3 to 2, meaning a $10 blackjack wins $15. Some tables, especially single-deck and many online or Strip tables, pay only 6 to 5, so the same $10 blackjack wins just $12. That change roughly triples the house edge and is the single worst rule for players — always check the felt or the game rules before you sit down. If the dealer shows an ace and offers you “even money” on your own blackjack, that is simply insurance under another name and carries the same disadvantage.

Basic strategy: the mathematically best play

Basic strategy is the set of decisions, proven by probability, that gives you the lowest possible house edge for every combination of your hand and the dealer’s upcard. It does not guarantee a win on any single hand, but over time it squeezes the casino’s advantage down to around 0.5% under good rules. Memorising it is the most valuable thing a blackjack player can do, and the logic rewards the same disciplined thinking covered in our guide to poker odds and probability. The decisions below follow a common four-to-eight-deck game where the dealer stands on soft 17.

Hard totals

• 8 or less: always hit.
• 9: double against a dealer 3 through 6, otherwise hit.
• 10: double against a dealer 2 through 9, otherwise hit.
• 11: double against a dealer 2 through 10, otherwise hit.
• 12: stand against a dealer 4 through 6, otherwise hit.
• 13 to 16: stand against a dealer 2 through 6, otherwise hit.
• 17 or more: always stand.

Soft totals

• Soft 13 to 16 (A,2 through A,5): hit, but double against a dealer 4, 5 or 6 (and 5 or 6 for the lowest totals).
• Soft 17 (A,6): double against a dealer 3 through 6, otherwise hit.
• Soft 18 (A,7): stand against a dealer 2, 7 or 8; double against 3 through 6 if allowed (otherwise stand); hit against 9, 10 or ace.
• Soft 19 or more: always stand.

Pairs

• Always split aces and 8s.
• Never split 5s (play as a hard 10) or 10s (a standing 20 is too good to break up).
• 9s: split against a dealer 2 through 9, except stand against a 7.
• 7s: split against a dealer 2 through 7.
• 6s: split against a dealer 3 through 6.
• 2s and 3s: split against a dealer 4 through 7.
• 4s: split only against a dealer 5 or 6, otherwise hit.

Exact plays shift slightly with the number of decks and whether the dealer hits soft 17, so a printed strategy card for your specific table is the surest reference.

House edge and the odds

The house edge is the casino’s long-run mathematical advantage, and in blackjack it is unusually small. Under liberal rules with perfect basic strategy, the edge sits near 0.5%, meaning you lose about 50 cents for every $100 wagered on average. That is far better than roulette or slots. However, poor rules erode it quickly: a 6:5 payout can push the edge toward 2%, and small changes like H17, restricted doubling or no surrender each nudge it upward.

One crucial point for beginners: the house edge is a long-run average, not a prediction for your session. Blackjack has high short-term variance, so you can win or lose streaks either way regardless of how well you play. Card counting can in theory turn the edge in the player’s favour, but it is difficult, legal only in the sense that casinos are private businesses free to bar suspected counters, and effectively impossible against the continuous shuffling machines used at many tables.

Common mistakes beginners make

Most avoidable losses at the blackjack table come from a handful of recurring errors rather than bad luck:

• Taking insurance. It feels safe but is a losing side bet for anyone not counting cards.
• Playing 6:5 tables. Sitting at a 6:5 game instead of 3:2 silently multiplies the house edge for the same play.
• Standing on low totals out of fear. Refusing to hit a hard 12 to 16 against a strong dealer card gives up value; the math says to take the risk.
• Mimicking the dealer. Always drawing to 17 ignores the dealer’s upcard and doubles your own bust risk at the wrong moments.
• Not splitting aces and 8s. Skipping these splits passes up the game’s clearest edges.
• Chasing losses. Increasing bets to recover a losing streak is a bankroll mistake, not a strategy, and the same discipline our poker strategy guide stresses applies here.

Blackjack variants to know

Blackjack comes in many versions, and the rule tweaks change the odds, so it pays to know which game you are playing. Common variants include:

• European Blackjack: the dealer takes the hole card only after players act, which slightly changes doubling and splitting decisions.
• Spanish 21: all 10 pip cards are removed from the deck, offset by generous player bonuses and liberal rules.
• Blackjack Switch: you play two hands and may swap the top cards between them, balanced by a push on a dealer 22.
• Double Exposure: both dealer cards are face up, offset by even-money blackjacks and the dealer winning ties.
• Live dealer online blackjack: a real dealer streamed in real time, bridging online convenience and the pace of a physical table.

If you enjoy the decision-making in blackjack, many of the same skills — reading odds, managing risk and staying disciplined — carry over directly to card games like poker, which you can learn in our complete guide to how to play poker.

Responsible gambling

Blackjack is a game of entertainment, and no strategy can guarantee a profit — the house retains a mathematical edge even with perfect play, and outcomes over any short period are unpredictable. Set a budget before you play, treat any losses as the cost of entertainment, never gamble money you cannot afford to lose, and never try to win back losses by betting more. You must be of legal gambling age in your jurisdiction to play. If gambling stops being fun or feels difficult to control, free and confidential help is available. In the United States, contact the National Problem Gambling Helpline on 1-800-522-4700 or visit ncpgambling.org. In the United Kingdom, support is available through BeGambleAware and GamCare. This article is for educational purposes only and is not gambling advice.

Frequently Asked Questions (FAQ)

Is blackjack a game of skill or luck?

It is both. Each card dealt is random, but your decisions directly change the odds. Playing correct basic strategy lowers the house edge to around 0.5%, far better than games of pure chance, though no skill removes the casino’s advantage entirely.

What does the dealer have to do in blackjack?

The dealer has no choices and must follow fixed rules: draw cards until reaching a total of 17 or more, then stop. Some tables require the dealer to hit a soft 17, which is slightly worse for players than tables where the dealer stands.

Why does a 3:2 payout matter so much?

A 3:2 payout returns $15 on a $10 blackjack, while a 6:5 payout returns only $12. That difference roughly triples the house edge, so choosing a 3:2 table over a 6:5 one is one of the easiest ways to improve your odds.

Should I ever take insurance?

For a player using basic strategy and not counting cards, no. Insurance is a separate side bet that loses money over the long run, so basic strategy recommends always declining it, even when you hold a strong hand.

What is the best hand in blackjack?

The best hand is a “natural” or “blackjack”: an ace plus any ten-value card on your first two cards, totalling 21. It beats every other hand of 21 and normally pays 3 to 2 rather than even money.