IAS Calculator

d2db Tools

Calculate Increased Attack Speed breakpoints for any class and weapon combination.

Character

Skill

Weapon

IAS Modifiers

Gear IAS (total)

Weapon IAS

Skill Buffs

Fanaticism

Burst of Speed

Werewolf

Maul

Frenzy

Slowed By %

Debuffs

Holy Freeze Decrepify Chilled

Current Attack Speed

Breakpoint Table

All breakpoints from 0 IAS. Your current breakpoint is highlighted.

Formulas based on Warren1001/IAS_Calculator and Amazon Basin research. EIAS = SIAS - WSM + floor(120 * IAS / (120 + IAS)). Frames = ceil(256 * FPD / (AnimSpeed * (100 + EIAS) / 100)) - 1.