Warhammer 40k mathhammer calculator: pick any two units for the average and the odds.
ATTACK MODIFIERS
DEFENSE MODIFIERS
FIGHT-BACK MODIFIERS
When it shoots or fights back (Fight back, To the death).
DEFENSE MODIFIERS
When the target shoots or fights back (Fight back, To the death).
Averages update as you change things; Simulate plays one battle.
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Swipe or use ‹ › for the other rolls
40k Damage Calculator for 11th Edition
Tactical Reroll is a free 40k calculator for Warhammer 40,000's 11th edition: mathhammer for any attacker against any target, with the full dice odds, the best loadout, leaders and detachment rules. See what's winning, every army's tier list and the best units at each job, or read mathhammer explained.
My army: rate your 40k list
Upload your Warhammer 40k army list once: every unit's odds, its best loadout, and how your army does against another list, in 11th edition.
ARMY ROSTERS
Your army against theirs: tap one of your units to see what it does to each of theirs, best targets first.
Winning 40k tournament lists
The top 4 at recent 11th-edition tournaments, by army. Load one into the calculator as yours or your opponent's.
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UNIT RANKINGS
Every unit in every faction, scored on points efficiency. Tap a unit for its card.
What's winning: armies, detachments and units ›Loading rankings…