Roll a d8
Free online d8 roller for D&D. Roll an eight-sided die for weapon damage, hit dice, and spells with modifiers and a full roll log.
Quick roll
Dice notation
kh keep highest · kl keep lowest · dl drop lowest · Space roll
Presets
Roll lines
Roll log
Your roll history appears here.
The d8 sits in the middle of the polyhedral set — common for martial weapon damage, cleric and bard hit dice, and many monster attacks.
How to roll a d8
- Tap d8 in the quick-roll tray for an instant result.
- Or type notation like 1d8 or 2d8+3 and press Roll.
- Add modifiers, presets, or roll lines when you need a full turn of checks and damage.
- Open the full dice roller anytime for the complete tray and session log.
Common d8 uses
- Longsword, battleaxe, and morningstar damage (1d8)
- Hit dice for Clerics, Bards, Monks, Warlocks, and Rogues
- Some spell and monster damage rolls
- Medium creature hit dice for monsters
Other popular rolls
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- Dice calculator — averages, odds, and custom notation
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Frequently asked questions
What is a d8 used for in D&D 5e?
An eight-sided die is used for many one-handed martial weapons, several class hit dice, and various spell and monster damage rolls. It rolls 1–8.
How do I add a modifier to a d8?
Type 1d8+3 (or use the modifier field next to the notation input) to add Strength, Dexterity, or a magical bonus to the roll.