Craps Don't Pass Calculator
Calculate house edge, lay odds payouts, and expected value for the Don't Pass bet in craps. One of the lowest house edge bets in the casino.
Formula:Combined Edge = (Base Bet × 1.36%) / (Base + Odds)
Combined House Edge
1.360%
Base House Edge
1.36%
Lay Odds Payout
83%
Lay 1.2:1
Expected Loss/Bet
$0.1360
$
Don't Pass line bet
How much odds to lay
Point affects lay odds payout
Understanding Lay Odds
When you lay odds on Don't Pass, you're betting that 7 comes before the point. Since 7 is more likely than any point number, you must bet more to win less:
4 or 10
Lay $2 to win $1
5 or 9
Lay $3 to win $2
6 or 8
Lay $6 to win $5
Don't Pass vs Pass Line
| Aspect | Don't Pass | Pass Line |
|---|---|---|
| House Edge | 1.36% | 1.41% |
| Come-out Win | 2 or 3 | 7 or 11 |
| Come-out Lose | 7 or 11 | 2, 3, or 12 |
| Push | 12 (bar) | None |
| Social Factor | Against table | With table |
Key Facts
- •Don't Pass house edge: 1.36% (slightly better than Pass Line)
- •Bar 12 creates the house edge - without it, players would have the advantage
- •Lay odds have 0% house edge, reducing overall edge
- •You're betting against the shooter and table - socially unpopular
- •Combined with max odds, effective house edge can be under 0.1%
Frequently Asked Questions
What is the Don't Pass bet in craps?
Don't Pass is the opposite of Pass Line. You win on come-out 2 or 3, lose on 7 or 11, push on 12 (bar). After a point is set, you win when 7 rolls before the point. It has a 1.36% house edge, slightly better than Pass Line.
Should I play Don't Pass or Pass Line?
Mathematically, Don't Pass is slightly better (1.36% vs 1.41% house edge). However, many players avoid it because you're betting against shooters and the table. Either bet with odds is among the best bets in the casino.
How do lay odds work on Don't Pass?
When laying odds, you're betting that 7 comes before the point. Since 7 is more likely, you bet more to win less. For example, on point 4, you lay $20 to win $10 (2:1 odds for the house). The odds bet has 0% house edge.
What is "bar 12" in Don't Pass?
Bar 12 means if 12 rolls on the come-out, Don't Pass pushes (ties) instead of winning. This gives the house its edge. Some casinos bar 2 instead. Without barring a number, Don't Pass would have a player advantage.
Try These Examples
Quick-start with common scenarios
How this works
Calculations follow the published mathematics of the game — combinatorics for cards, probability theory for dice, and expected-value accounting for wagers. Results are verified against independent references (primarily Wizard of Odds). No calculation here is an opinion or recommendation; it is arithmetic applied to the rules of the game.
What this tool can’t do
When to consult a professional
This tool computes probability and expected value. It is not a betting system and cannot predict the outcome of any individual wager. If gambling is causing problems for you or someone you know, call the National Problem Gambling Helpline at 1-800-GAMBLER.
Sources
- [1]Wizard of Odds — Michael Shackleford, ASAIndustrywizardofodds.comAccessed Apr 21, 2026
Actuary; widely cited casino-game probability reference. Used for house-edge and EV verification.
- [2]National Council on Problem GamblingOfficial sourcencpgambling.orgAccessed Apr 21, 2026
Responsible-gambling guidance and 1-800-GAMBLER helpline.
Joseph OrdunaFounder & Software Engineer
Full-stack software engineer specializing in embedded systems, web architecture, and AI/ML. Founder of Practical Web Tools. Built the gesture-controlled drone IP acquired by KD Interactive (Aura Drone, sold on Amazon).
Combined House Edge
1.360%
Base House Edge
1.36%
Lay Odds Payout
83%
Lay 1.2:1
Expected Loss/Bet
$0.1360