⚔️ Aura Synergy
Warhammer 40k Reroll 1s to Hit Calculator
Determine the exact percentage hit boost when benefiting from abilities that allow rerolling hit rolls of 1.
⚙️ Input Parameters
Real-Time Simulation 3
2 6
Mathematical Formula
P(Hit with Reroll 1s) = P(Normal Hit) + (1/6) * P(Normal Hit)
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
How much does rerolling 1s increase your damage in 40k?
Rerolling 1s increases your successful hits by a flat 16.67% of your base hit rate. For a unit hitting on 3+ (base 66.67%), rerolling 1s raises your hit rate to 77.78% (a +11.11% absolute increase).
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