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Blackjack, or 21, is one of the easiest casino card games to pick up and play. Featuring only two-cards and a fairly simple 1-on-1 setup with the dealer, it can take less than a few minutes to pick up the basics of blackjack and enjoy the over 175+ titles we have on offer. Need an in-depth explanation? Check out the guide below and become a blackjack pro in less than five minutes:
1Pick a blackjack game
Select a game from the list above or load up your favorite title on your real money casino of choice.
2Select your chip size & bet
Once loaded, select your chip size and click the highlighted space to bet. Press 'Deal', when you're ready to play.
3Receive your hand and decide
Once the game begins, the dealer will give you two cards that will make your hand value. You can then choose to take Insurance, Hit for an extra card, or Stand with the current value.
4If you choose to Hit
If you decide to Hit, an additional card will be added to your hand value. This continues until you Stand or if the value exceeds 21 and your hand is Bust.
5If you choose to Stand
Once you select Stand, your total hand value will be pitted against the dealer and the hand closest to 21 wins. All winnings are collected and the round restarts.
How to win blackjack - the best hands for winning
When playing blackjack, there are a multitude of different hand combinations that could result in a win. On any given round, keep an eye out for any of the following combinations that have some of the statistical best chances of winning including:
Traditional 21
An Ace and any 10-value card is an instant win in all blackjack variants
Hard 20
Any two 10-value cards will give you a total of 20. In most variants, it’s wise to keep hold of these rather than split.
Soft 18
A combination of an Ace and a 7 gives you various playing options, and depending on the variant, can be used to your advantage with different strategies.
Top blackjack variants to play
The many different variants of online blackjack games have their own twist, although the basic aim of the game remains the same. The best thing is you can play try them out for free, right here. Pick your favorite and start playing free online blackjack!
Blackjack Switch
A more recent variant, Blackjack Switch sees players receive 2 hands at the start of the game, with the option to switch the best two cards between them. The other significant difference is that a dealer's hard 22 is considered a push (tie).
Adding more to the game, Perfect Pair Blackjack allows players to place pairs side bets to further increase their winnings. These can be placed on either the player or the dealer’s hand, and include mixed pair, color pair and perfect pair.
Featuring an additional rule, Blackjack Surrender incorporates the surrender rule which allows players to fold their hand and receive half of their bet back. It can benefit you if you get a very bad starting hand, reducing the house edge 0.07-0.09%, but it should be used in those circumstances.
Similar to American Blackjack, European Blackjack features a slightly higher house edge than the American version, at 0.62%, but it remains very popular at online casinos. Players can double down after a split, though bear in mind that if the dealer has blackjack you’ll lose your total bet in this variant.
One of the most popular blackjack variants with a house edge of just 0.36%, Atlantic City Blackjack – also referred to as American Blackjack – uses eight decks and offers players the chance to surrender, while the dealer must stand on all hand totals between 17 and 21.
Single Deck Blackjack is probably the variant you’d play with friends, as you use a single pack of 52 cards. This is a popular variant of blackjack, as the house edge is cut to 0.3% and card counting also becomes easier than with multiple decks of cards in play.
The most notable difference in Double Exposure Blackjack is that you see both the dealer’s cards face-up, instead of just one. This swings the odds significantly in favor of the player, although it’s balanced by blackjack paying out 1:1, rather than 3:2.
"Live casino blackjack games are not available for demo play as they are played live with a real casino dealer. You can, however, simulate the feel of the live dealer blackjack table with certain blackjack titles that use pre-recorded dealers for the authentic real table feel. Check out titles like 'Real Blackjack' from Real Dealer Studios or 'Vinnie Jones Blackjack'; which features the famed football star."
Other free US online casino games to try
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When it comes to playing blackjack, utilising a good blackjack strategy is a great way to lower the House Edge and give yourself the best chance of winning on any given round. Check out some of our top strategy charts below to make the most of any scenario in a given round.
Pair splitting
Dealt a pair but don't know whether to split? Check out our strategy guide to give yourself the best odds of winning.
"Blackjack strategy charts are more than just a guideline on how to play, but can actually have a statistical effect on the game itself. Utilising a high-quality chart, like the ones above, can lower the House edge by up to 1.5%-2% over the dealer; meaning you have an even better chance of winning on any given round."
Top tips when playing blackjack
Even when playing free blackjack for fun, there are some top tips to keep in mind to get the most from your play. These tips are also useful when you're looking to take it up a notch and play for real money on top US online casinos.
Read the paytable options
Applicable for both video blackjack and live dealer games, reading the paytable is important to understanding how each game works and the unique features available in each.
Check for high RTP
Most video blackjack games will have a fixed RTP value of around 99.50%, but it's always worth checking to make sure that you are playing with an optimal RTP for the best chances of winning.
Utilise side bets
Side bets are a great way to spice up the action and give you plenty of additional ways to win. Test out a few when playing for free to understand how they function as certain games will have entirely unique side bets to enjoy.
Play on mobile for added convenience
Mobile play allows for you to enjoy the best mobile blackjack games on the go. Many top providers will optimise their blackjack titles for full functionality on mobile, meaning you can play in portrait or landscape mode on a range of iOS and Android devices.
Shop around for blackjack-specific bonuses
While many online casinos will offer online blackjack, not all will include player promotions for blackjack players. Shop around or check out our top blackjack casino recommendations to find the casinos offering exclusive deals for those who love blackjack.
10 blackjack terms you need to know
When hitting the blackjack table, there are plenty of terms necessary to know to maximise your game. Check out some of the most common terminology you will expect to find while playing any online or live blackjack game including:
♠️Blackjack term
🔎What it means
🃏In-game example
Stand
The player keeps their current hand value with no additional cards
Player has a 9 and a Queen (19). They choose to Stand with 19 against the Dealer
Hit
The player asks for an additional card from the Dealer to increase hand value
Player has a 3 and a Queen (13). They choose to Hit to add an additional card to their hand
Natural Blackjack
When the initial two-card hand makes 21 with an Ace included
A player draws a King and an Ace for a value of 21. The win rate is paid at 3:2
Bust
When a player's hand exceeds 21, then they are 'Bust' and lose the game
A hand busts on a hand value of 2 Kings (20) and a 3 (23)
Double down
When a player doubles their initial wager
Player bets $5 and doubles down to make it a $10 bet
Split
A side bet that allows players to split their initial 2-card hand into two separate pairs of cards
A player has an 8 and a King and chooses to Split. The 8 and King becomes one card in separate two-card hands
Surrender
A player gives up their hand in exchange for 50% of their bet returned
Player places $10 on a hand and chooses surrender. $5 is returned to the player
Insurance
A side bet that wins when the Dealer has a Blackjack on the current hand (21)
Player places $10 on Insurance and Dealer draws a Blackjack. $20 is returned at a rate of 2:1
House edge
The statistical advantage that the house (dealer) has to win over the player
Standard blackjack has a House edge of 0.5% - 2% depending on player strategy
Bankroll
The amount of money you have to play with in a given session
You set aside $100 for playing blackjack and that is your set budget; win or lose
Should I take Insurance while playing blackjack?
Lewis Crane | Content Editor
"While taking Insurance is a perfectly valid move then the dealer has an Ace, a lot of top strategies don't recommend it. Insurance comes with a high House edge of around 7% and is only useful if you can successfully card count; which isn't possible when playing video blackjack titles. as the cards are distributed using RNG."
Best US blackjack online casinos
We review the best blackjack casinos on the market that offer the biggest selection of blackjack titles and the most generous blackjack-specific welcome bonuses. Check out our top recommendations or try our 30 second quiz for the perfect casino for you.
Whilst free games are great for those looking to try out different blackjack variants, test new strategies or simply play for fun, they are not without their limits. Players will often find themselves drawn to real money games once they’ve got the hang of the game via free versions, unlocking more variants and blackjack bonuses. Here are some of the pros and cons of each:
Free blackjack games
Real money blackjack
You can play free blackjack games for fun online
You stand to win real money when you play
Start playing instantly with no deposit and no download needed
Blackjack bonuses give you a head start on your game when you deposit
Practice your strategy and hone your game
Access all the blackjack variants, including live blackjack games with a real dealer
Little access to the bonuses and promotions available to players
There is a risk of losing money when you bet on blackjack
Not all blackjack variants are available for free
You will need to allow a little more time to sign up and make a deposit before you start playing
Yes, it is! Blackjack is the same as 21 and is named after the best possible hand value of 21. The blackjack is also the name of a hand containing an Ace and a face card which totals the value of 21 and instantly wins the hand.
What is the RTP of blackjack?
Blackjack has one of the highest RTPs available of any table game with RTPs of 99%+ and some titles up to 99.72% RTP.
Is blackjack easy to learn?
Blackjack is one of the easiest table games to pick up and play as it contains only two-card hands and rounds can take seconds to complete.
Is online blackjack rigged?
Not at all. Online blackjack titles use the same RNG technology as your favorite online casino slots ensuring total fairness on every round calculated. There is no possible way to rig online blackjack, making it one of the safest ways to play the game online.
Is blackjack luck or skill?
Blackjack is primarily a game of skill as it utilises a level of strategy and player input to influence the results of the round. The cards that appear are distributed at random, but what a player chooses to do to maximise the card values is based on skill.
Can I play online blackjack games for real money?
Many of our recommended online casinos will allow you to play online blackjack for real money, including all of the top variations and live dealer titles. Head on over to our top choices for blackjack casinos to find your next place to play real money blackjack.
A writer and editor with a penchant for games and strategy, Adam Ryan has been with the Casino.org team for eight years now. Having written for and edited numerous iGaming brands in his career, he’s something of a content sage when it comes to our iGaming copy in the US and Canada.
As a fact-checker, and our Chief Gaming Officer, Alex Korsager verifies all online casino details on this page. He manually compares our pages with the casino's, and if anything is unclear, he contacts the casino. In short, Alex ensures you can make an informed and accurate decision.