Accuracy represents the probability of an attacking unit landing a successful hit on a defending unit. It is a percentage that is influenced by various factors, such as the attacking unit's hit rate or the defending unit's evade.
Overview
Accuracy percentages are determined by various internal (e.g., hit rate, evade) and external factors (e.g., weapon triangle effects) that influence a combative interaction between opposing units or groups of units. The sum of all applicable factors yield a value that is then converted into a percentage. This percentage—which is depicted as the battle accuracy—is then used as a threshold value for a successful hit or miss in a random number generator system.
In almost every Fire Emblem game, the accuracy sums below 0 are set to 0 and accuracy sums exceeding 100 are set to 100. In Fire Emblem: Thracia 776, the accuracy sums below 1 are set to 1 and accuracy sums exceeding 99 are set to 99.
In Fire Emblem: Shadow Dragon and the Blade of Light
Overall accuracy
Accuracy = (HRatk) - (Evddfn)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem Gaiden
Overall accuracy
Accuracy = (HRatk) - (Evddfn)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem: Mystery of the Emblem
Overall accuracy
Accuracy = (HRatk) - (Evddfn)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem: Genealogy of the Holy War
Overall accuracy
Accuracy = (HRatk) - (Evddfn)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem: Thracia 776
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
Staff accuracy
Accuracy = (Sklcst ×4) + (Hitcst)
Sklcst = Casting unit's skill Hitcst = Casting unit's staff accuracy
In Fire Emblem: The Binding Blade
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
Staff accuracy
Accuracy = [(Magcst - Resdfn) ×6] + (Sklcst) + 30 - (Dist)
Magcst = Casting unit's magic Resdfn = Defending unit's resistance Skl = Casting unit's skill Dist = Distance between caster and defender
In Fire Emblem: The Blazing Blade
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
Staff accuracy
Accuracy = (HRcst) - (Evddfn)
HRcst = Casting unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem: The Sacred Stones
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
Staff accuracy
Accuracy = (HRcst) - (Evddfn)
HRcst = Casting unit's hit rate Evddfn = Defending unit's evade
In Fire Emblem: Path of Radiance
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
Staff accuracy
Accuracy = [(Magcst - Resdfn) ×5] + (Sklcst) + 30 - (Dist ×2)
Magcst = Casting unit's magic Resdfn = Defending unit's resistance Skl = Casting unit's skill Dist = Distance between caster and defender
In Fire Emblem: Radiant Dawn
Physical and magical accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
※ On Hard Mode, W△ = 0 regardless of weapon dis/advantage
Staff accuracy
Accuracy = [(Magcst - Resdfn) ×5] + (Sklcst) + 30 - (Dist ×2)
Magcst = Casting unit's magic Resdfn = Defending unit's resistance Skl = Casting unit's skill Dist = Distance between caster and defender
In Fire Emblem: Shadow Dragon
Overall accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
In Fire Emblem: New Mystery of the Emblem
Overall accuracy
Accuracy = (HRatk) - (Evddfn) + (W△)
HRatk = Attacking unit's hit rate Evddfn = Defending unit's evade W△ = Weapon triangle effects
In Fire Emblem Awakening
Overall accuracy
Accuracy = (HRatk) + (HSppatk) - (Evddfn) - (ESppdfn) - (Terrdfn) + (SpAsys) + (W△)
HRatk = Attacking unit's hit rate HSppatk = Attacking unit's hit support bonus from adjacent and paired allies Evddfn = Defending unit's evade ESppdfn = Defending unit's evade support bonus from adjacent and paired allies Terrdfn = Modifier from defending unit's terrain tile SpAsys = Modifiers from any skills that influence either part of the system W△ = Weapon triangle effects
In Fire Emblem Fates
Physical and magical accuracy
Accuracy = (HRatk) + (Ineffatk) + (HSppatk) - (Evddfn) - (ESppdfn) - (Terrdfn) + (SpAsys) + (W△)
HRatk = Attacking unit's hit rate Ineff = -10 if attacker's weapon is ineffective vs. defending unit HSppatk = Attacking unit's hit support bonus from adjacent and paired allies Evddfn = Defending unit's evade ESppdfn = Defending unit's evade support bonus from adjacent and paired allies Terrdfn = Modifier from defending unit's terrain tile SpAsys = Modifiers from any skills that influence either part of the system W△ = Weapon triangle effects
Staff/rod accuracy
Accuracy = (HRcst) - (Evddfn) - (Terrdfn ×0.5)
HRatk = Casting unit's hit rate Evddfn = Defending unit's evade Terrdfn = Modifier from defending unit's terrain tile
