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
8 4 2 12 5 1 7 28



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 3 5 8 10 8
2d# 6 7 16 19 10
3d# 7 8 21 28 17
4d# 11 12 23 34 23
5d# 14 13 31 35 33
6d# 15 17 36 45 44
7d# 16 19 41 54 50
8d# 18 20 46 62 58
9d# 19 22 52 70 59
10d# 22 23 58 71 68
11d# 26 28 65 74 80
12d# 30 33 70 83 92
13d# 31 35 75 89 104
14d# 34 41 80 91 109
15d# 38 42 88 99 117
16d# 42 48 92 107 125
17d# 46 49 98 115 127
18d# 47 53 103 116 137
19d# 51 55 105 119 148
20d# 52 56 106 122 150
21d# 56 62 110 124 162
22d# 60 65 116 125 170
23d# 62 66 120 133 173
24d# 65 68 128 139 177
26d# 70 79 140 154 196
27d# 74 83 141 157 207
28d# 77 89 144 159 214
29d# 81 93 148 165 221
30d# 83 95 150 173 222