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ATTACKER
DEFENDER

Warhammer 40k mathhammer calculator: pick any two units for the average and the odds.

9 in 10 get this farAverage1 in 10ⓘ
Average–

Averages update as you change things; Simulate plays one battle.

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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.

UNIT RANKINGS

Every unit in every faction, scored on points efficiency. Tap a unit for its card.

What's winning: armies, detachments and units ›

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