MapleStory Calculator / Formula

Title: MapleStory Formula For Damage, Defense, HP MP Increment and Others.

Formula
EXP Gained from Party
2 players = 10% party bonus exp
3 players = 15% party bonus exp
4 players = 20% party bonus exp
5 players = 25% party bonus exp
6 players = 30% party bonus exp
Minimum level to leech
Minimum level to leech passively = Mob’s level – 5
Note: leech passively = get EXP without hitting the mobs at all.
Formula for Battleship Endurance [HP] Skill by Captain/Corsair 4th Job
The durability formula is lowered every time you get hit.
[(Skill Level * 4000)] + [(Character Level - 120) * 2000]
Magician Mp Recovery Formula
Amount of Mp Recovered = 3 + (Skill level * Character Level * 0.1)
If you sit on a Relaxer or Palm Chair, MP recovery is = 1.5 * (3 + (Skill level * Character Level * 0.1))
Damage Protection Formula
Protection against monster attack = (Your total weapon or magic defense)/3
100% Hit Accuracy Formula
Non-warriors/non-mages 0.6 for DEX and 0.3 for LUK. For others: 0.8 DEX and 0.5 LUK.
Accuracy Required for 100% hit without Miss = (55+2*lvl difference)*mob avoid/15
Character Current Accuracy = (DEX*0.8) + (LUK*0.5) + accuracy from mastery and equipment
Weapon Attack Formula
For Warrior: 3 STR (strength) is equivalent to 1 weapon attack (3 STR = 1 WA)
For Thief: 5 LUK (luck) is equivalent to 1 weapon attack (5 LUK = 1 WA)
For Magician: 1 INT (intelligent) is equivalent to 1 magic attack (1 INT = 1 Magic Attack)
MP Gain Formula
Formula for MP Gain Per Level = 15 + (total int * 0.1) +/- 1
So, let’s say you are a level 120 Pure INT magician with base stats of 608 INT (without any additional INT boost from equipments), you gained 74.8-75.8 Max MP tnl (to next level 121). (+/-1 is the fluctuation, tested and proven through 100 levels of mp gain data : Chronology’s, playpark member).
Minimum MP you can wash Formula
HP washing is used to channel Mana Points into Hit Points (life) so you would have more life to withstand against monster powerful attack that can kill your character in 1 blow. This technique can only be done if you use NX Cash to buy tickets to reset your AP OR before you reach level 200, you spend your AP into HP instead of your primary attribute (e.g. thief primary attribute is LUK, but thief channel AP to HP instead of LUK to get more HP). Formula for minimum MP that you can wash = (Lvl – 1)*14 + 148 = lvl*14 + 134. Read this guide: (Ultimate HP Washing Guide) for more details on HP Washing.
Hp+Mp Recovery Equipments
If worn inside the hotel sauna, the recovery rate for HP and MP will be 1.5x faster.
This hotel sauna can be found in Sleepywood Sauna Shop + Zipangu Spa (cost meso, not NX Cash)
Recovery Equipments: Bathrobe for Men / Blue Sauna Robe / Red Sauna Robe / Bathrobe for Women
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However, chair recovery does not stack with the equipments that can be worn for recovery.
Amorian Relaxer, Beach Chair, Blue Seal Cushion, Fishing Chair, Green Chair, Moon Star Chair, Pink Seal Cushion, Red Chair, Red Round Chair, Sky-Blue Wooden Chair, The Relaxer, The Red Relaxer, The Yellow Relaxer, Warrior Throne, White Seal Cushion, Yellow Chair.

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Damage Formula Calculation
Skill Mastery’s percentage and Damage Percentage should be converted to decimal points; ie: 10% = 0.1
Max = maximum damage | Min = minimum damage | Mastery = (default is 0.1) if level 0 mastery
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All Classes (Max)
One Handed Sword = [(STR * 4.0 + DEX) / 100] * Weapon Attack
One Handed Axe = [(STR * 4.4 + DEX) / 100] * Weapon Attack
One Handed Blunt Weapon = [(STR * 4.4 + DEX) / 100] * Weapon Attack
Two Handed Sword = [(STR * 4.6 + DEX) / 100] * Weapon Attack
Two Handed Axe = [(STR * 4.8 + DEX) / 100] * Weapon Attack
Two Handed Blunt Weapon = [(STR * 4.8 + DEX) / 100] * Weapon Attack
Spear = [(STR * 5.0 + DEX) / 100] * Weapon Attack
Polearm = [(STR * 5.0 + DEX) / 100] * Weapon Attack
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All Classes (Min)
One Handed Sword = (STR * 0.9 * 4.0 * Skill Mastery + DEX) / 100 * Weapon Attack
One Handed Axe = (STR * 0.9 * 3.2 * Skill Mastery + DEX) / 100 * Weapon Attack
One Handed Blunt = (STR * 0.9 * 3.2 * Skill Mastery + DEX) / 100 * Weapon Attack
Two Handed Sword = (STR * 0.9 * 4.6 * Skill Mastery + DEX) / 100 * Weapon Attack
Two Handed Axe = (STR * 0.9 * 3.4 * Skill Mastery + DEX) / 100 * Weapon Attack
Two Handed Blunt = (STR * 0.9 * 3.4 * Skill Mastery + DEX) / 100 * Weapon Attack
Spear = (STR * 0.9 * 3.0 * Skill Mastery + DEX) / 100 * Weapon Attack
Polearm = (STR * 0.9 * 3.0 * Skill Mastery + DEX) / 100 * Weapon Attack
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(Bowman) Hunter / Archer
Max : Bow = [(DEX * 3.4 + STR) / 100] * Weapon Attack
Min : Bow = (DEX * 0.9 * 3.4 * Skill Mastery + STR) / 100 * Weapon Attack
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(Bowman) Crossbowman
Crossbow – [(DEX * 3.6 + STR) / 100] * Weapon Attack
Min : Crossbow = (DEX * 0.9 * 3.6 * Skill Mastery + STR) / 100 * Weapon Attack
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(Magician) Cleric, Fire/Poison, Ice/Lightning
Max : Any Weapon = {[{MAG * 0.8) + (LUK/4)]/18} * Spell Magic Attack * 0.8
Min : Any Weapon = {[(MAG * 0.8) + (LUK/4)]/18} * Spell Magic Attack * 0.8 * Mastery
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(Thief) Bandit
Max : Dagger & Throwing Stars = [(LUK * 3.6 + STR + DEX) / 100]* Weapon Attack
Min : Dagger and Throwing Stars = (LUK * 0.9 * 3.6 * Skill Mastery + STR + DEX) / 100 * Weapon Attack
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(Thief) Assassin
Max (per star) : Lucky Seven = [((5.0*LUK)/100)*(Weapon Attack)*Damage Percentage]
Min (per star) : Lucky Seven = [((2.5*LUK)/100)*Weapon Attack)*Damage Percentage]
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Non thief
Max : Dagger = [(STR * 4.0 + DEX) / 100] * Weapon Attack
Min : Dagger = (STR * 0.9 * 4.0 * Skill Mastery + DEX) / 100 * Weapon Attack
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(Pirate) Infighter
Max : [(STR * 4.8 + DEX) / 100] * Weapon Attack
Min : (STR * 0.9 * 4.8 * Skill Mastery + DEX) / 100 * Weapon Attack
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(Pirate) Gunslinger
Max : [(DEX * 3.6 + STR) / 100] * Weapon Attack
Min : [(DEX * 0.9 * 3.6 * Skill Mastery + STR) / 100] * Weapon Attack

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Speed of Fire Rate

Pirate: Gunslinger Skills
Double Fire = 144 shots/minute
Invisible Shot = 88 shots/minute
Triple Fire = 88 shots/minute
Rapid Fire = 500 shots/minute (approx. 8 bullets/second)
Battleship Cannon = 100 shots/minute
Battleship Torpedo = 77 shots/minute

Bowman Skills: Hunter + Crossbowman
Strafe speed
For rangers – 84 per min
For snipers – 84 per min
Hurricane
Fires 500 arrows per minute (8.33 arrows per second)
Is unaffected by Bow speed or Booster

Thief: Assassin Skills
Triple Throw
Throws 3 stars per attack animation
Throws 6 stars per attack animation with Shadow Partner
Claws attack 1.5 times per second
6*1.5 = 9
TT + SP throws 540 stars per min

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Reference | Credits | Sources | USeful Links
Pirate Damage Formula
A Comprehensive Guide to Gunslingers by Takeback3r and KazooTheBat.
Hurricane Vs. TT + SP (Which is faster?)
MapleStory Exp Calculator
MapleStory Potion Calculator
Damage Calculator for Warrior, Bowman, Thief, Magician
Archer Damage Calculator
Magician’s Accuracy & Casts per min
ArundRainger’s Magician Damage Calculator
BM and NL damage comparison