Attack Bonus Formula:
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Attack Bonus is a numerical value added to attack rolls in Dungeons & Dragons that represents a character's combat proficiency and physical ability. It determines how likely an attack is to hit a target.
The calculator uses the Attack Bonus formula:
Where:
Explanation: The formula combines your character's trained combat skill (proficiency) with their natural physical capabilities (ability modifier) to determine overall attack effectiveness.
Details: Accurate attack bonus calculation is crucial for determining hit probability, balancing combat encounters, and ensuring fair gameplay. It affects every attack roll made by your character.
Tips: Enter your character's proficiency bonus (based on level) and the relevant ability modifier. Proficiency bonus must be 0 or positive, while ability modifier can be negative or positive.
Q1: What is the typical range for proficiency bonus?
A: Proficiency bonus ranges from +2 (levels 1-4) to +6 (levels 17-20) in most D&D editions.
Q2: How do I calculate ability modifier?
A: Ability modifier = (Ability Score - 10) ÷ 2, rounded down. For example, Strength 16 gives +3 modifier.
Q3: Are there other modifiers to attack bonus?
A: Yes, magical weapons, class features, spells, and combat circumstances can provide additional bonuses or penalties.
Q4: Does weapon proficiency affect attack bonus?
A: Yes, you only add proficiency bonus if you're proficient with the weapon you're using.
Q5: What's the difference between melee and ranged attack bonus?
A: Melee attacks use Strength modifier, ranged attacks use Dexterity modifier, unless specified otherwise by class features.