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
10 1 2 7 5 1 5 4



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 10 9 9 8 19 14 19 3
1d20-1 9 8 8 7 18 13 18 2
1d20+0 10 9 9 8 19 14 19 3
1d20+1 11 10 10 9 20 15 20 4
1d20+2 12 11 11 10 21 16 21 5
1d20+3 13 12 12 11 22 17 22 6
1d20+4 14 13 13 12 23 18 23 7
1d20+5 15 14 14 13 24 19 24 8
1d20+6 16 15 15 14 25 20 25 9
1d20+7 17 16 16 15 26 21 26 10
1d20+8 18 17 17 16 27 22 27 11
1d20+9 19 18 18 17 28 23 28 12
1d20+10 20 19 19 18 29 24 29 13
1d20+11 21 20 20 19 30 25 30 14
1d20+12 22 21 21 20 31 26 31 15
1d20+13 23 22 22 21 32 27 32 16
1d20+14 24 23 23 22 33 28 33 17
1d20+15 25 24 24 23 34 29 34 18
1d20+16 26 25 25 24 35 30 35 19
1d20+17 27 26 26 25 36 31 36 20
1d20+18 28 27 27 26 37 32 37 21
1d20+19 29 28 28 27 38 33 38 22
1d20+20 30 29 29 28 39 34 39 23

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 4 6 6 4 7
2d# 6 7 7 11 10
3d# 7 12 9 16 18
4d# 9 15 14 21 20
5d# 12 20 17 25 24
6d# 14 23 20 35 36
7d# 16 24 22 44 41
8d# 17 30 26 45 53
9d# 20 34 33 49 60
10d# 22 40 39 57 62
11d# 24 43 46 64 68
12d# 25 49 48 71 69
13d# 27 53 51 78 81
14d# 28 59 56 85 84
15d# 29 60 64 87 92
16d# 32 65 71 95 102
17d# 34 67 78 98 107
18d# 38 73 85 108 113
19d# 39 74 91 116 119
20d# 42 75 99 125 127
21d# 43 79 101 131 136
22d# 47 85 106 135 146
23d# 51 89 109 141 152
24d# 54 95 113 148 156
26d# 61 104 123 158 171
27d# 65 110 128 163 175
28d# 66 116 129 173 180
29d# 68 121 136 176 188
30d# 70 124 138 185 198