A d8 is an eight-sided (octahedron) die that gives a result from 1 to 8. Each result has a 12.5% chance and the average is 4.5.
Quick facts
- Shape
- Regular octahedron (Platonic solid)
- Result range
- 1 – 8
- Average
- 4.5
- Chance of each result
- 1/8 = 12.5%
- Typical use
- D&D longsword damage (1d8); cleric and bard hit die
Where is the d8 used?
In D&D 5th edition, weapons such as the longsword, longbow and warhammer deal 1d8 damage, and the cleric, bard and rogue classes use a d8 hit die.
How do I roll?
- The dice roll automatically when the page opens. To roll again, press “Roll Dice”, tap the dice or hit the space bar.
- On a phone with “Shake to roll” enabled, just shake your device.
- Pick a die type from “Dice Types” in the top menu or the d4 – d20 tabs: roll 1–4 of a d4, d8, d10, d12 or d20, or 1–6 six-sided dice.
- Every roll is saved to “Roll History” with its total, and the “Stats” tab shows how often each face has come up.
Is Zar Salla a fair dice roller?
Yes. Results come from your browser’s cryptographic random number generator (Web Crypto API, crypto.getRandomValues), and rejection sampling gives every face exactly the same probability. Nothing is sent to a server, nothing is decided in advance and no roll depends on the previous one.
Just like real dice, short streaks of the same number are normal. As you roll more, each face’s share gets closer to the expected value — you can watch this yourself in the “Stats” tab.
How many d8 do you want to roll?
Frequently asked questions
What is the average roll of a d8?
(1+…+8)/8 = 4.5.
What shape is a d8?
A regular octahedron with eight equilateral-triangle faces — one of the five Platonic solids.
How do I roll 2d8?
Choose 2 under “Number of dice” and press “Roll Dice”; both results and the total (2–16) are shown.
Last updated:
