Free mathhammer calculator for Warhammer 40,000, 11th edition: pick any attacker and target for the full dice odds, import two army lists to compare every matchup, or browse the mathhammer rankings for every faction. New to it? Mathhammer explained.

⚙️ FACTION & UNIT SETUP ▾
⚔️ ATTACKER
ATTACK PARAMETERS OVERRIDE
🛡️ DEFENDER
DEFENSE PARAMETERS OVERRIDE

⚔️ ATTACK MODIFIERS

REROLLS
Hit
Wound

🛡️ DEFENSE MODIFIERS

📋 ARMY ROSTERS

Import both lists, then tap one of your units to see what it does to every opponent unit.

🏆 EFFICIENCY RANKINGS

Every unit in every faction, scored on points efficiency. Tap a unit for the detail.

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Built by Jordan • Free to use & share

Unofficial fan-made tool. Not affiliated with, endorsed, sponsored or approved by Games Workshop. Warhammer 40,000 and all associated names, factions and units are trademarks of Games Workshop Limited. For datasheets and rules, see the official codexes and Warhammer 40,000 app.

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