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D&D Character Calculator
Fifth edition derives almost everything from level and ability modifiers: hit points come from the class hit die plus constitution, proficiency bonus grows in fixed steps and initiative is simply your dexterity modifier. Seeing them computed together catches the arithmetic slips that slow down a session.
How it works
Character level
Class hit die
Constitution modifier
Dexterity modifier
Armour bonus (worn armour)
Carrying a shield
Hit points
Proficiency bonus
Armour class
Initiative
Spell save DC (if applicable)
Passive perception example
Hit dice
Frequently asked questions
How do I use the D&D Character Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.