Spell Damage Calculator
Calculate average, expected, and critical spell damage factoring in save DCs and spell level efficiency.
Inputs
Results
Expected Damage
21.7
Average (No Save)28
Maximum Damage48
Minimum Damage8
Save Failure Rate55%
Damage per Slot Level7.23
Critical Hit Damage56
Base Dice8
How to Use This Calculator
- Select the spell and its level slot used from the dropdown.
- Enter the spellcasting ability modifier and proficiency bonus.
- Set the target saving throw DC and the average enemy saving throw bonus.
- Review the Expected Damage on Hit or Full Save and the Damage on Failed Save.
- Use the Average Damage Per Round output to compare spells during character optimization.
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