d12 Dice Roller — Free Online
Free online d12 dice roller for greataxe damage, barbarian hit dice, and hard-hitting D&D attacks. Add modifiers and keep a full roll history.
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 d12 is less common but hits hard — greataxes, barbarian hit dice, and a few iconic monster attacks rely on it.
How to roll a d12
- Tap d12 in the quick-roll tray for an instant result.
- Or type notation like 1d12 or 2d12+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 d12 uses
- Greataxe damage (1d12)
- Barbarian hit dice
- Some monster and magic-item damage rolls
- Huge creature hit dice for monsters
Other popular rolls
- Roll a d4
- Roll a d6
- Roll a d8
- Roll a d10
- Roll a d%
- Roll a d20
- Full dice roller — any NdS combo (8d6, 4d10, and the rest)
- Dice calculator — averages, odds, and custom notation
- Coin flip simulator (heads or tails)
Frequently asked questions
What classes use a d12 hit die?
Barbarians use a d12 hit die in D&D 5e — the largest player hit die. Some monsters also use d12s based on size.
How do I roll greataxe damage?
Type 1d12 plus your Strength modifier (for example 1d12+4), or set a roll line labeled Greataxe with that notation.