How Pass Line Bets Work

The Pass Line is the most popular opening bet in craps and is often the first wager new players learn. It is placed before the come-out roll. On the come-out, a Pass Line bet wins immediately on a roll of 7 or 11 (a natural), and loses immediately on 2, 3, or 12 (craps). If any other number — 4, 5, 6, 8, 9, or 10 — is rolled, that number becomes the point. Once a point is established, the shooter continues rolling until either the point is rolled again (resulting in a win for Pass Line bettors) or a 7 is rolled (a loss, called a seven-out).

A key attractive feature of Pass Line betting is the ability to take odds after the point is established. Odds are an additional wager behind the Pass Line bet that pays true odds (no house edge) if the point is made. Casinos often allow multiple levels of odds (e.g., 2x, 3x, 5x), and the more odds you take, the closer your overall expected return approaches the true probability because the Pass Line base bet carries the casino’s built-in edge while the odds portion does not.

From a social perspective, Pass Line players typically root for the shooter and celebrate hits with the table. That communal energy is part of what keeps Pass Line bets popular, even though the base house edge is modest. For recreational players, Pass Line bets combine straightforward rules, immediate results on some rolls, and the option to leverage odds to reduce the effective house advantage.

How Don't Pass Bets Work

Don't Pass is essentially the opposite wager of the Pass Line — it is a bet against the shooter. It is also made before the come-out roll. On the come-out, a Don't Pass bet wins on 2 or 3, and loses on 7 or 11. A roll of 12 is treated differently depending on the casino’s rule (in most U.S. casinos it is a push, meaning a tie and your stake is returned; in some places another rule may apply). If the come-out produces a point (4, 5, 6, 8, 9, 10), the Don't Pass bettor hopes for a 7 to appear before the point is rolled again; if a 7 appears first, the Don't Pass wins.

An important complementary option for Don't Pass bettors is “laying odds.” Once a point is set, a Don't Pass bettor can place an odds wager behind their original bet that effectively wagers against the point being made. Laying odds also pays true odds (but in the inverse direction), and like taking odds on the Pass Line, laying more odds reduces the overall house edge on the combined stake.

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Don't Pass is statistically marginally better in expected value than Pass Line due to how ties on the come-out are resolved (12 being a push on the Don’t Pass slightly benefits the casino less than the push on Pass Line’s 12). However, choosing Don't Pass can create social discomfort because the bettor wins when the shooter fails — you are essentially rooting for the 7, which goes against the crowd celebrating shooter success. Many casino players view Don't Pass as “coming to the dark side,” even though it is a sound, mathematically rational choice for value-oriented players.

Mathematical Edge: House Edge, Odds, and Variance

Understanding the math behind Pass Line and Don't Pass bets is essential to making informed decisions. The base house edge on the Pass Line bet is about 1.41%, while the Don't Pass base bet has a slightly lower house edge of about 1.36%. These differences seem small, but over many bets and large stakes they can compound. The key factor that alters the practical house edge is the use of odds: because odds bets pay true odds with no house edge, adding odds to your base bet reduces the combined house edge proportionally to the portion of your stake that is odds.

For example, if a casino allows 3x odds and you place a Pass Line bet with the maximum odds, a larger portion of your total exposure is on the no-edge odds wager, which dramatically lowers your effective house edge across the combined bet. The more generous the odds allowed by the casino (e.g., 5x, 10x, or even 100x in some high-limit rooms), the closer a mathematically rational player can push their long-term expected loss rate toward zero (but never reaching it, since the base bet still retains an edge).

Variance and volatility also differ subtly between Pass and Don’t Pass. Because the outcomes that win or lose differ slightly on the come-out, and because player behavior around odds happens differently, the short-term experience can vary. Pass Line bettors typically see more immediate wins on 7/11 come-outs, which can feel like higher short-term variance but also more frequent small wins. Don’t Pass bettors have marginally better expected returns but may experience different streak patterns that feel less crowd-pleasing. In practice, bankroll management, bet sizing, and how much you invest in odds relative to the base bet will strongly influence your experience of variance and your rate of return.

Strategic Considerations and Practical Tips

Which bet you choose depends on a mix of math, psychology, and table dynamics. If your primary goal is to minimize expected losses and you’re comfortable with betting against the shooter and the table’s mood, Don't Pass is slightly superior purely on expected value. Conversely, if you want a social, crowd-oriented experience where you celebrate hits and the shooter's successes, the Pass Line is more fun and keeps you in sync with most players.

A common strategy is to place a conservative Pass or Don't Pass base bet and then aggressively use odds up to the table limit — this maximizes the no-edge part of your total wager and reduces the house advantage. Avoid sucker bets like the Field, Big 6/8, and many Proposition bets, which carry much higher house edges. Also consider table limits and your bankroll: if you plan to take maximum odds, make sure the required bankroll for sizing odds relative to your base bet is sustainable.

Another practical tip: watch for dealer and casino rules on handling pushes for 12 on Don't Pass, and on lay versus take odds payouts. Social strategy also matters: if you’re new, starting on the Pass Line may make for a more welcoming experience. If you plan to play for value and don’t mind a colder reception at the table, Don’t Pass is defensible. Finally, vary your bet sizes to ride hot streaks cautiously and to protect your bankroll during downswings. Regardless of your choice, disciplined odds-taking, avoiding high house-edge side bets, and consistent bankroll management are the best ways to tilt the game in your favor over the long run.