Mathematics
Pie Chart of a 20-Sided Die (d20) Outcomes
Last reviewed on 2026-05-22.
Mathematics — verifiable data, editable template
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A fair 20-sided die has 20 equally likely outcomes — each with a 5% probability. The basis for tabletop role-playing systems like Dungeons & Dragons.
The data
- 1 — 1 face
- 2 — 1 face
- 3 — 1 face
- 4 — 1 face
- 5 — 1 face
- 6 — 1 face
- 7 — 1 face
- 8 — 1 face
- 9 — 1 face
- 10 — 1 face
- 11 — 1 face
- 12 — 1 face
- 13 — 1 face
- 14 — 1 face
- 15 — 1 face
- 16 — 1 face
- 17 — 1 face
- 18 — 1 face
- 19 — 1 face
- 20 — 1 face
Source
Standard d20 probability.
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