League of Legends Damage Calculator: Optimize Your Build

⚔️ League of Legends Damage Calculator

Calculate exact post-mitigation damage, DPS, and burst for any champion build

Quick Presets
🗡️ Attacker Stats
🛡️ Target (Enemy) Stats
ℹ️ Tip: Lethality converts to flat armor penetration based on champion level. At level 18, 1 Lethality = ~0.6 flat armor penetration (full conversion). At level 1, 1 Lethality = ~0.267. Use the reference table below for exact values.
💥 Damage Results
📊 Armor / MR Damage Reduction Reference
Formula: Damage Multiplier = 100 / (100 + Resistance). Negative resistances increase damage taken above 100%.
2-3 armor items
Resistance Value Damage Multiplier % Damage Reduced Effective HP Multiplier Typical Example
-50133%-33% (increased)0.67xGrievous + Void early
0100%0%1.0xNo armor items
2580%20%1.25xLevel 1 base armor
5066.7%33.3%1.5xEarly game ADC target
7557.1%42.9%1.75xMid-game support
10050%50%2.0x1-2 armor items
15040%60%2.5x
20033.3%66.7%3.0xFull tank (Malphite)
30025%75%4.0xMax armor stacking
40020%80%5.0xExtreme tank build
🔧 Lethality to Flat Armor Pen by Level
Formula: Flat Armor Pen = Lethality × (0.6 + 0.4 × ChampionLevel / 18)
Champion Level Conversion Rate 10 Lethality = 18 Lethality = Example Item
126.7%2.67 armor pen4.8 armor penLong Sword
333.3%3.33 armor pen6.0 armor penSerrated Dirk
646.7%4.67 armor pen8.4 armor penProfane Hydra
960%6.0 armor pen10.8 armor penYoumuu's Ghost.
1273.3%7.33 armor pen13.2 armor penEdge of Night
1586.7%8.67 armor pen15.6 armor penSerpent's Fang
18100%10 armor pen18 armor penDuskblade
🎯 Critical Strike Damage Reference
Crit Chance Avg Damage Mult. With IE (225% crit) DPS Increase vs 0% Crit Items Needed
0%100%100%BaselineNo crit items
20%115%120%+15-20%1 crit item
40%130%140%+30-40%Kraken + Shiv
60%145%160%+45-60%3 crit items
80%160%180%+60-80%4 crit items
100%175%225%+75-125%IE + 4 crit items
📖 Damage Types Summary
Damage Type Mitigated By Countered By Penetration Available Examples
Physical Armor Armor items, Thornmail Lethality, Armor Pen % Auto-attacks, most AD abilities
Magic Magic Resist MR items, Force of Nature Flat MR Pen, Void Staff 40% Most spells, AP champions
True Nothing Cannot be reduced None needed Vayne E, Garen R, Conqueror

League of Legends is made up of team-based fights in an arena, usually called MOBA. Riot Games created it in 2009, and it stays fully free to play. In the game there are more than 140 champions to choose and each of them owns their own set of special skills.

The players lead their champion from a top-down view during the matches. In the game, the champions progress in levels by means of gaining experience points, thanks to beating of opponents.

What is League of Legends?

That game ranks between the most popular games globally, with almost 100 millions of folks playing monthly. The genre originally came from a mod for Warcraft 3, called DotA, which stands for Defence of the Ancient. Because of that background, folks sometimes call games like League of Legends by the “DotA-alike” label.

Free access is a mainstream feature, which helps attract this many players. Also, it operates even on weak computers, so that almost any owner of a PC can play it. The game fits various groups, so different players find it cool.

Another point is the reliable matching system, it usually matches you with opponents of similar skill. Basics are fairly simple, but fully mastering it requiers enough time.

League of Legends offers a wonderful experience for players of every level of skill. With friends it becomes even more fun, even though individual players do not stay isolated. Team play forms the core of competitive gaming, and the numbers beat those of other MOBA games.

On the other hand, it can seem tough four both newcomers and veteran players. For beginners, the info is huge, from basic things like farming of minions until advanced tactics.

Toxicity is a well known problem. It grows because of the high skill level and interest in that team game, with anonymous players, long matches and steep learning curve. Angry outbursts spread commonly in the community, sometimes because of small things.

Riot Games produced also other titles in the same world, between that VALORANT, Teamfight Tactics, Legends of Runeterra and Wild Rift. Legends of Runeterra operates as a tactical card game, in which skill and imagination decides about victory. Riot stands also behind the series Arcane and organizes esports events for League of Legends as well as for VALORANT.

A big renewal of the game was announced for the year after 2026, probably the most complete update in its 16-year past.

The official forums of League of Legends closed in March 2020, when their usage dropped. Players and partners transferred to websites like Reddit or Discord. Years before, one replaced the original forums with those Boards, that grew into a place for great discussions, funny messages and famous community posts.

Reddit currently acts as the maincentre for discussions about the game, updates and tactical change.

League of Legends Damage Calculator: Optimize Your Build

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