Soft 17 in Blackjack

“Soft 17” is one of the most important phrases on a blackjack table — it appears on the felt as a dealer rule and it changes how you play your own hand. Here is what a soft 17 is, why “dealer hits soft 17” matters to your odds, and how to play it.

Soft vs hard hands

A soft 17 is a hand worth 17 with an Ace counted as 11 — usually Ace + 6. The word “soft” means the hand contains an Ace that is currently worth 11 and can safely drop to 1, so the hand cannot bust on the next card.

Compare two 17s: Ace + 6 is a soft 17 — hit it and draw a 10, and the Ace becomes 1 for a hard 17 (no bust). 10 + 7 is a hard 17 — hit it and draw a 10, and you bust at 27. That flexibility is exactly why soft hands are played more aggressively. See card values for how the Ace switches between 1 and 11.

The dealer rule: H17 vs S17

Every blackjack table follows one of two rules for how the dealer plays a soft 17:

S17 — the dealer stands on all 17s, including soft 17.
H17 — the dealer hits soft 17, taking another card to try to improve.

H17 is worse for you. Letting the dealer draw to a soft 17 gives them extra chances to reach 18, 19, 20 or 21, so it adds about 0.2% to the house edge. The rule is printed on the felt — “Dealer must hit soft 17” or “Dealer stands on all 17s.” All else equal, choose the S17 table.

How to play YOUR soft 17

When you hold a soft 17, the rule is simple: never just stand on it. Because you cannot bust with one more card, you should always try to improve:

Double down on soft 17 against a dealer 3, 4, 5 or 6.
Hit soft 17 against every other dealer upcard (2, 7, 8, 9, 10, A).

Standing on a soft 17 is one of the most common beginner mistakes — it leaves an easy improvement on the table. The full grid for every soft hand is in the basic strategy guide.

H17 also changes basic strategy slightly

When the dealer hits soft 17, a few of your own plays shift to be more aggressive — for example, doubling 11 against an Ace and doubling soft 19 against a 6 become correct. The differences are small, but matching your strategy to the table rule squeezes out the last fraction of edge. You can try both rule sets for free across our blackjack games — variants like Double Deck use H17 while Vegas Strip uses S17.

Frequently asked questions

What is a soft 17 in blackjack?

A soft 17 is any hand totaling 17 with an Ace counted as 11 — most commonly Ace + 6. It is called "soft" because the Ace can drop to 1 if you draw a high card, so the hand cannot bust on the next card. A 17 made without a flexible Ace (such as 10 + 7) is a hard 17.

What does "dealer hits soft 17" mean?

It is a table rule, often abbreviated H17, requiring the dealer to take another card on a soft 17 rather than stand. The opposite rule, S17, has the dealer stand on all 17s. H17 helps the dealer make stronger hands, so it raises the house edge by about 0.2% — S17 tables are better for the player.

Should you hit or stand on a soft 17?

Always improve a soft 17 — never just stand on it. Double down on soft 17 against a dealer 3 through 6, and hit it against everything else. Because the Ace protects you from busting, standing on soft 17 throws away free chances to make a better hand.

Is H17 or S17 better for the player?

S17 (dealer stands on soft 17) is better for the player. H17 gives the dealer extra chances to turn a soft 17 into 18, 19, 20 or 21, which costs the player roughly 0.2% in house edge. When choosing a table, prefer one where the dealer stands on all 17s.