D10 Dice Roller
Roll a ten-sided die online — cantrip damage, heavy weapons, and one half of every percentile roll.
About the D10
The d10 is a pentagonal trapezohedron with ten kite-shaped faces. Most sets number it 0-9, where the 0 counts as 10. Every face has an equal 10% chance and the average roll is 5.5.
It pulls double duty in tabletop gaming: on its own it is a damage and hit die, and paired with a second d10 it becomes percentile dice — the d100 roll behind loot tables and whole game systems.
What Uses a D10?
- Fire Bolt: The most popular attack cantrip deals 1d10 fire damage, scaling to 4d10.
- Heavy weapons: Glaives, halberds, pikes, and heavy crossbows all deal 1d10.
- Hit dice: Fighters, paladins, and rangers use d10 hit dice in D&D 5e.
- Percentile rolls: Two d10s together make a d100: one die is the tens digit, the other the ones.
- World of Darkness: Vampire: The Masquerade and its siblings roll pools of d10s against a difficulty.
Roll History
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D10 Probability
Each face of a d10 has an equal 10% chance. Common d10 rolls:
| Roll | Average | Range |
|---|---|---|
| 1d10 | 5.5 | 1–10 |
| 2d10 | 11 | 2–20 |
| 4d10 (Fire Bolt, lvl 17) | 22 | 4–40 |
A d10 reads 0-9 in most dice sets — the 0 face counts as 10 when rolled alone, but as 0 when it is the tens die in a percentile roll.
D10 Roller FAQ
Does the 0 on a d10 mean zero or ten?
Rolled on its own, the 0 face counts as 10. In a percentile (d100) roll, the tens die’s 0 means zero tens — so 0 on the tens die and 7 on the ones die reads as 7. Double zeros count as 100.
What is the average roll of a d10?
The average of one d10 is 5.5, with every result from 1 to 10 equally likely at 10% each.
What is the difference between a d10 and a percentile die?
They are the same shape. A percentile die (d%) is just a d10 printed with 00, 10, 20 … 90 so it can serve as the tens digit of a d100 roll alongside a normal d10 for the ones digit.