d20 twenty-sided die d4 four-sided die d6 six-sided die 2d6 two six-sided dice d8 eight-sided die d10\ ten-sided die d12 twelve-sided die d100 percentile dice
15 4 2 5 7 10 4 45



Multiple results for 1d20 + modifier ability checks, attack rolls, saving throws...
Normal Rolls #1 #2 #3 #4 #5 #6 #7 #8
Adv./Disadv. #1 #2 #3 #4
d20 ROLL 15 9 1 10 5 13 4 8
1d20-1 14 8 0 9 4 12 3 7
1d20+0 15 9 1 10 5 13 4 8
1d20+1 16 10 2 11 6 14 5 9
1d20+2 17 11 3 12 7 15 6 10
1d20+3 18 12 4 13 8 16 7 11
1d20+4 19 13 5 14 9 17 8 12
1d20+5 20 14 6 15 10 18 9 13
1d20+6 21 15 7 16 11 19 10 14
1d20+7 22 16 8 17 12 20 11 15
1d20+8 23 17 9 18 13 21 12 16
1d20+9 24 18 10 19 14 22 13 17
1d20+10 25 19 11 20 15 23 14 18
1d20+11 26 20 12 21 16 24 15 19
1d20+12 27 21 13 22 17 25 16 20
1d20+13 28 22 14 23 18 26 17 21
1d20+14 29 23 15 24 19 27 18 22
1d20+15 30 24 16 25 20 28 19 23
1d20+16 31 25 17 26 21 29 20 24
1d20+17 32 26 18 27 22 30 21 25
1d20+18 33 27 19 28 23 31 22 26
1d20+19 34 28 20 29 24 32 23 27
1d20+20 35 29 21 30 25 33 24 28

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 3 3 1 10 12
2d# 5 4 3 16 24
3d# 9 7 4 20 34
4d# 11 10 12 27 35
5d# 15 12 17 37 40
6d# 18 15 23 40 43
7d# 22 19 24 43 54
8d# 23 20 25 50 66
9d# 24 26 33 56 74
10d# 26 29 35 58 79
11d# 27 30 40 62 88
12d# 30 33 45 69 89
13d# 31 38 52 70 99
14d# 35 39 54 78 107
15d# 36 42 55 80 119
16d# 37 46 61 87 120
17d# 39 49 62 91 130
18d# 40 51 68 95 141
19d# 41 55 74 96 149
20d# 42 60 80 102 156
21d# 45 64 83 109 167
22d# 46 68 90 114 168
23d# 49 70 97 124 171
24d# 50 71 105 126 176
26d# 53 81 120 139 193
27d# 56 86 123 146 201
28d# 58 89 126 155 212
29d# 59 93 129 157 213
30d# 61 94 133 163 218