League of Legends Damage Calculator
Calculate damage output with armor pen, lethality, and AP/AD ratios.
Champion Stats
Target & Penetration
Total Damage
125
125 Physical + 0 Magic
Damage Breakdown
Raw Physical250
Raw Magic0
Physical After Armor125
Magic After MR0
Penetration Stats
Flat Armor Pen (from Lethality)0.0
Effective Armor100.0
Physical Damage Taken50.0%
Magic Damage Taken66.7%
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.