Advantage Roller
Roll two d20s and keep the higher one. See both dice, with the discarded one dimmed.
Ready to roll with advantage
Roll with
Modifier
0
What is advantage?
Rolling with advantage means rolling two twenty-sided dice and taking the higher result. It raises your average roll from 10.5 to 13.83 and nearly doubles your chance of a natural 20, from 5% to 9.75%.
The odds
Advantage averages 13.83 against 10.5 for a plain d20.
- 10.25%
- 20.75%
- 31.25%
- 41.75%
- 52.25%
- 62.75%
- 73.25%
- 83.75%
- 94.25%
- 104.75%
- 115.25%
- 125.75%
- 136.25%
- 146.75%
- 157.25%
- 167.75%
- 178.25%
- 188.75%
- 199.25%
- 209.75%
| Result | Chance | Odds |
|---|---|---|
| 1 | 0.25% | 1 in 400 |
| 2 | 0.75% | 1 in 133.3 |
| 3 | 1.25% | 1 in 80 |
| 4 | 1.75% | 1 in 57.1 |
| 5 | 2.25% | 1 in 44.4 |
| 6 | 2.75% | 1 in 36.4 |
| 7 | 3.25% | 1 in 30.8 |
| 8 | 3.75% | 1 in 26.7 |
| 9 | 4.25% | 1 in 23.5 |
| 10 | 4.75% | 1 in 21.1 |
| 11 | 5.25% | 1 in 19 |
| 12 | 5.75% | 1 in 17.4 |
| 13 | 6.25% | 1 in 16 |
| 14 | 6.75% | 1 in 14.8 |
| 15 | 7.25% | 1 in 13.8 |
| 16 | 7.75% | 1 in 12.9 |
| 17 | 8.25% | 1 in 12.1 |
| 18 | 8.75% | 1 in 11.4 |
| 19 | 9.25% | 1 in 10.8 |
| 20 | 9.75% | 1 in 10.3 |
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