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Craps Pass Line Probability & House Edge Calculator

Calculate the probability of winning the come-out roll (7 or 11 = 22.22%), crapping out (2, 3, 12 = 11.11%), or hitting the point.

⚙️ Input Parameters

Real-Time Simulation
25
1 1000
Mathematical Formula
P(Win) = 8/36 + sum(P(Point) * P(Point before 7)) = 244/495 ≈ 49.29%
Primary Probability Result
--%
Success Probability
Fractional Odds
1 in 2.0
Failure Chance
50.0%
Client-side mathematical calculation ● 100% Deterministic

Tactical Analysis & Mathematical Context

In tabletop gaming, understanding the mathematical distribution behind your rolls allows you to make informed risk-reward decisions. Whether balancing spell slot usage in D&D 5e, evaluating an attack profile in Warhammer 40k, or weighing trade routes in Catan, knowing the exact probability mass function (PMF) turns guesswork into strategy.

Frequently Asked Questions

What is the house edge on the Pass Line in Craps?

The Pass Line bet in Craps has a player win probability of 49.29% and a loss probability of 50.71%, resulting in a low house edge of 1.414%.

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