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
12 3 4 3 6 9 6 24



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 12 17 3 10 8 2 7 6
1d20-1 11 16 2 9 7 1 6 5
1d20+0 12 17 3 10 8 2 7 6
1d20+1 13 18 4 11 9 3 8 7
1d20+2 14 19 5 12 10 4 9 8
1d20+3 15 20 6 13 11 5 10 9
1d20+4 16 21 7 14 12 6 11 10
1d20+5 17 22 8 15 13 7 12 11
1d20+6 18 23 9 16 14 8 13 12
1d20+7 19 24 10 17 15 9 14 13
1d20+8 20 25 11 18 16 10 15 14
1d20+9 21 26 12 19 17 11 16 15
1d20+10 22 27 13 20 18 12 17 16
1d20+11 23 28 14 21 19 13 18 17
1d20+12 24 29 15 22 20 14 19 18
1d20+13 25 30 16 23 21 15 20 19
1d20+14 26 31 17 24 22 16 21 20
1d20+15 27 32 18 25 23 17 22 21
1d20+16 28 33 19 26 24 18 23 22
1d20+17 29 34 20 27 25 19 24 23
1d20+18 30 35 21 28 26 20 25 24
1d20+19 31 36 22 29 27 21 26 25
1d20+20 32 37 23 30 28 22 27 26

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 3 3 7 5 12
2d# 7 7 14 8 20
3d# 9 10 19 13 27
4d# 13 16 20 20 32
5d# 14 22 23 23 44
6d# 17 27 25 30 53
7d# 21 28 28 32 54
8d# 22 32 31 34 63
9d# 24 38 39 42 66
10d# 25 41 41 43 71
11d# 28 42 44 48 74
12d# 29 48 48 49 83
13d# 31 54 52 51 84
14d# 32 56 58 52 95
15d# 36 62 66 58 96
16d# 40 63 73 67 105
17d# 41 64 75 75 117
18d# 45 67 77 85 118
19d# 48 73 81 91 128
20d# 52 77 88 94 132
21d# 53 79 92 102 133
22d# 57 81 95 110 143
23d# 61 82 100 116 150
24d# 64 88 101 119 162
26d# 71 100 111 130 172
27d# 73 102 116 140 177
28d# 75 106 120 145 187
29d# 77 107 123 155 197
30d# 78 113 124 158 199