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Attack speed icon.png Attack speed (AS or ASPD) is a stat that is the frequency of a unit's basic attacks. They are measured and displayed as attacks per second.

Each champion starts with a certain attack speed ratio, which is also the value given by default to their base attack speed (attack speed at level 1 without any other bonuses). Some champions can start with a base attack speed different from their attack speed ratio. Additional bonus attack speed can be obtained through level-up or with a variety of items, abilities and runes. Bonus attack speed Additive stacking icon.png stacks additively, and each bonus point acquired directly affects its statistic. Bonus attack speed is a percentage of the attack speed ratio, therefore, champions with higher ratio benefit more from bonus attack speed.

Attack speed is capped at 2.5 attacks per second (or 1 attack every 0.4 seconds). It also cannot be reduced below a floor of 0.2 (or 1 attack every 5 seconds). The values of these restrictions can be altered by certain effects.

Gold Value ​​​​​​

  • Bonus attack speed has a gold value of 25 Gold 25 per percent point.


Bonus attack speed per level

Champions gain bonus attack speed % every time they level up, which ranges from roughly 0 - 6% (the exact number depending on the specific champion) and can be calculated through the statistics growth formula.

Bonus AS% stacks additively.

Example: Recurve Bow Recurve Bow grants +25% attack speed and Nashor's Tooth Nashor's Tooth grants +50% attack speed, so the champion gains +75% in total.


  • Final attack speed cannot go above the cap of 2.5 attacks per second, unless it is ignored by some effects.
  • Many in-game tooltip percentages (such as runes) have been rounded, so results may be slightly different unless the precise numbers are known.


  • Twisted Fate's Twisted Fate's base attack speed and attack speed ratio are both 0.651.
  • Calculating "bonus attack speed":
    • Every time Twisted Fate Twisted Fate levels up, he gains bonus AS% based on his percentage growth 3.22% and his level through the statistics growth formula.
      • At level 10 he has gained 3.22% × 9 × (0.7025 + 0.0175 × 9) = 24.9228% as bonus AS%.
    • Let's say he has maxed Stacked Deck Stacked Deck increasing his attack speed by 40%.
    • He also has the Legend: Alacrity Legend: Alacrity rune to 3%.
    • And he has Berserker's Greaves Berserker's Greaves: +35%.
    • All together he has: 24.9228% + 40% + 3% + 35% = 102.9228% bonus AS%.
  • Final calculation:
    0.651 × (1 + 102.9228 ÷ 100)
    ≈ 1.321027428
    • In game, the number will be shown as: 1.321.

How attack speed is calculated

In simple terms, bonus attack speed is a percentage that represents how much of a unit's attack speed ratio is added on top of the base attack speed. When calculating attack speed for a unit, we add its base attack speed with some scaled multiple of the attack speed ratio to calculate that unit's total attack speed. This is better illustrated below.

Simple Example

Suppose that we have a unit with a base attack speed of and an attack speed ratio of . If this unit has 100% bonus attack speed from some number of sources, then the bonus attack speed multiplier is , resulting in a total of attack speed (1.4 attacks per second). We get this value by taking the attack speed ratio of and adding 100% of that same value to the base attack speed of .


Suppose we had a unit with 50% bonus attack speed. The bonus attack speed multiplier would be . Therefore, the additional attack speed would be . When added onto the base attack speed of , we result in a total attack speed of .

With 200% bonus attack speed, we end up with total attack speed.

With 10%, we end up with .


Let be a unit's base attack speed, let be a unit's attack speed ratio, let be a unit's bonus attack speed, and let be a unit's total attack speed. Then a unit's total attack speed can be calculated by the following equation:

Total Attack Speed: which simply adds a fraction of a unit's attack speed ratio to their base attack speed.

Generally speaking, most champions' base attack speed and attack speed ratio are the same, meaning can be replaced with . For these units, we result in the following equation:

Simplifying the equation by factoring out gives us this final equation:

Exceeding or altering the attack speed cap

The following game elements will exceed or alter the 2.5-attacks-per-second cap:

Removing the cap

Effects that remove the attack speed cap allow characters to fire basic attacks at rates higher than 2.5, given high enough attack speed bonuses. The cap is technically increased to 90.0 for the duration, however limits to the game itself only allow for up to 30 attacks per second, or one per frame.



Fixed attack speed above the cap


  • Urgot's Urgot's Purge Purge - This has a fixed attack speed of 3.0. It does not interact with bonuses nor the attack speed stat itself.

Reducing the cap


  • Graves' Graves' New Destiny New Destiny - Special attack cooldown and attack speed calculation - cannot reach 2.5 attack speed.
  • Jhin's Jhin's Whisper Whisper - Always fixed to his base attack speed + innate attack speed growth, thus can never reach 2.5 attack speed.
  • Sion's Sion's Glory in Death Glory in Death - Reduces the cap to 1.75 and increases the floor to 1.75 until the effect ends. Effects that remove the attack speed cap (see above) still allow exceeding the cap.
  • Zeri's Zeri's Burst Fire Burst Fire - Reduces the cap to 1.5, attack speed from Lightning Crash Lightning Crash can exceed this cap.

Attack speed as scaling

The major part of champion abilities that use attack speed will scale with base attack speed. But some abilities scale with the total or bonus attack speed the champion has.

Note that any (bonus) attack speed exceeding the attack speed cap will still improve these ability scalings, as they are not depending on the absolute attack speed stat.


Bonus Attack Speed multipliers

Cast Times

Other effects that scale with attack speed


Cast Times

Increasing attack speed


This table is automatically generated based on the data from Module:ItemData/data.

Berserker's Greaves Berserker's Greaves1100 1100 Gold35%All maps
Blade of the Ruined King Blade of the Ruined King3300 3300 Gold25%All maps
Bloodward Bloodward3400 3400 Gold30%All maps
Dagger Dagger300 300 Gold12%All maps
Dreamshatter Dreamshatter3300 3300 Gold30%All maps
Galeforce Galeforce3400 3400 Gold20%All maps
Guinsoo's Rageblade Guinsoo's Rageblade2600 2600 Gold45%All maps
Hearthbound Axe Hearthbound Axe1000 1000 Gold15%All maps
Immortal Shieldbow Immortal Shieldbow3400 3400 Gold20%All maps
Infinity Force Infinity Force3333 3333 Gold40%All maps
Kircheis Shard Kircheis Shard700 700 Gold15%All maps
Kraken Slayer Kraken Slayer3400 3400 Gold25%All maps
Mortal Reminder Mortal Reminder2500 2500 Gold25%All maps
Nashor's Tooth Nashor's Tooth3000 3000 Gold50%All maps
Noonquiver Noonquiver1300 1300 Gold15%All maps
Phantom Dancer Phantom Dancer2600 2600 Gold25%All maps
Rageknife Rageknife800 800 Gold25%All maps
Rapid Firecannon Rapid Firecannon2500 2500 Gold35%All maps
Recurve Bow Recurve Bow1000 1000 Gold25%All maps
Runaan's Hurricane Runaan's Hurricane2600 2600 Gold45%All maps
Stormrazor Stormrazor2700 2700 Gold15%All maps
Stridebreaker Stridebreaker3300 3300 Gold20%All maps
Trinity Force Trinity Force3333 3333 Gold30%All maps
Typhoon Typhoon3400 3400 Gold35%All maps
Wit's End Wit's End3100 3100 Gold40%All maps
Wyrmfallen Sacrifice Wyrmfallen Sacrifice3400 3400 Gold40%All maps
Zeal Zeal1050 1050 Gold18%All maps

Item passives

Champion abilities

Ally and/or User-targeted

User only

Enemy only


Neutral buffs

Decreasing attack speed

Attack speed reductions Multiple stacking icon.png stack multiplicatively and take percentages off the final attack speed value after all bonus attack speed has been factored in. The duration of these reductions are affected by Tenacity. Their effectiveness is unaffected by slow resist.

Champion abilities


Champions with altered base attack speed at level 1

List of champions' attack speed

Champions with the lowest or highest attack speed before items, runes, or abilities
Champion Level Top 5 champions Bottom 5 champions
Level 1 1. Maokai Maokai 0.8 AS 1. Graves Graves 0.475 AS
2. Shen Shen 0.751 AS 2. Rell Rell 0.55 AS
3. Zac Zac
3. Amumu Amumu
3. Malphite Malphite
0.736 AS 3. Annie Annie 0.579 AS
4. Nocturne Nocturne 0.721 AS 4. Singed Singed 0.613 AS
5. Dr. Mundo Dr. Mundo 0.72 AS 5. Neeko Neeko
5. Jhin Jhin
5. Volibear Volibear
5. Poppy Poppy
5. Yone Yone
5. Yorick Yorick
5. Xayah Xayah
5. Riven Riven
5. Jinx Jinx
5. Kayle Kayle
5. Heimerdinger Heimerdinger
5. Karma Karma
5. Mega Gnar Mega Gnar
5. Lulu Lulu
5. Diana Diana
5. Fiddlesticks Fiddlesticks
5. Yuumi Yuumi
5. Cho'Gath Cho'Gath
5. Malzahar Malzahar
5. Bard Bard
5. Zilean Zilean
5. Kindred Kindred
5. Urgot Urgot
5. Taliyah Taliyah
5. Xerath Xerath
5. Kled & Skaarl Kled & Skaarl
5. Karthus Karthus
5. Anivia Anivia
5. Ornn Ornn
5. Elise Elise
5. Aurelion Sol Aurelion Sol
5. Veigar Veigar
5. Morgana Morgana
5. Swain Swain
5. Lillia Lillia
5. Kennen Kennen
5. Vel'Koz Vel'Koz
5. Janna Janna
5. Soraka Soraka
5. Talon Talon
5. Taric Taric
5. Renata Glasc Renata Glasc
5. Syndra Syndra
5. Sivir Sivir
5. Gnar Gnar
5. Mordekaiser Mordekaiser
5. Galio Galio
5. Sett Sett
5. Ezreal Ezreal
5. Darius Darius
5. Garen Garen
5. Brand Brand
5. Zoe Zoe
5. Azir Azir
5. Kled Kled
5. Zyra Zyra
5. Illaoi Illaoi
5. Ryze Ryze
5. Blitzcrank Blitzcrank
5. Nunu & Willump Nunu & Willump
5. LeBlanc LeBlanc
5. Akali Akali
5. Skarner Skarner
5. Senna Senna
5. Alistar Alistar
5. Leona Leona
5. Thresh Thresh
0.625 AS
Level 18 1. Gnar Gnar 1.263 AS 1. Mega Gnar Mega Gnar 0.678 AS
2. Kalista Kalista 1.225 AS 2. Graves Graves 0.692 AS
3. Varus Varus 1.105 AS 3. Annie Annie 0.713 AS
4. Malphite Malphite 1.105 AS 4. Jinx Jinx
4. Yuumi Yuumi
4. Darius Darius
4. Mordekaiser Mordekaiser
0.731 AS
5. Yasuo Yasuo 1.096 AS 5. Rell Rell 0.737 AS



  • The old stat icon for Stat icon attack speed.jpg attack speed was an edited red recolor of the icon of Stinger Stinger.

Last updated: July 15, 2020 – V10.14

Last updated: July 15, 2020 – V10.14