d8 tool
d8 Roller
Set the count, add a modifier, roll. Handles anything from a single d8 up to 100 of them at once.
Total
Tap to roll, or press R.
One d8 against two
Rolling more dice does not just raise the ceiling, it changes the shape. One d8 is flat. Two d8 bunches hard around 9.
- Lowest
- 2
- Highest
- 16
- Average
- 9.00
- Most likely
- 9
- Chance of 9
- 12.5%
2d8 distribution. Peak at 9 (12.5%). Ends at 2 and 16, each 1.56%.
Every total on 2d8
| Total | Chance | Odds | This or higher |
|---|---|---|---|
| 2 | 1.56% | 1 in 64 | 100.0% |
| 3 | 3.12% | 1 in 32 | 98.4% |
| 4 | 4.69% | 1 in 21 | 95.3% |
| 5 | 6.25% | 1 in 16 | 90.6% |
| 6 | 7.81% | 1 in 13 | 84.4% |
| 7 | 9.38% | 1 in 11 | 76.6% |
| 8 | 10.9% | 1 in 9 | 67.2% |
| 9 | 12.5% | 1 in 8 | 56.2% |
| 10 | 10.9% | 1 in 9 | 43.8% |
| 11 | 9.38% | 1 in 11 | 32.8% |
| 12 | 7.81% | 1 in 13 | 23.4% |
| 13 | 6.25% | 1 in 16 | 15.6% |
| 14 | 4.69% | 1 in 21 | 9.38% |
| 15 | 3.12% | 1 in 32 | 4.69% |
| 16 | 1.56% | 1 in 64 | 1.56% |