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 3 5 10 8 8 2 42



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 3 6 5 3 7
2d# 6 9 9 4 11
3d# 8 11 11 13 16
4d# 9 17 17 22 20
5d# 11 18 19 31 29
6d# 14 19 25 34 32
7d# 15 22 33 35 34
8d# 18 26 36 44 46
9d# 22 29 43 53 51
10d# 24 30 47 61 56
11d# 28 34 55 71 57
12d# 30 40 63 78 69
13d# 31 43 67 84 79
14d# 34 45 70 92 90
15d# 38 48 75 93 95
16d# 42 51 79 95 96
17d# 46 56 83 98 105
18d# 47 57 88 100 115
19d# 48 60 91 101 117
20d# 51 63 94 103 119
21d# 52 66 98 109 131
22d# 54 68 99 114 136
23d# 55 74 104 118 139
24d# 57 80 110 123 145
26d# 63 89 118 133 164
27d# 65 92 122 143 171
28d# 68 95 127 150 178
29d# 69 101 131 158 185
30d# 72 102 137 162 187