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 1 4 3 3 4 12 54



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 2 5 6 7 5
2d# 5 8 11 10 7
3d# 9 11 17 15 8
4d# 10 17 24 20 14
5d# 13 18 30 26 23
6d# 15 22 34 28 35
7d# 19 27 37 37 41
8d# 22 28 41 47 48
9d# 23 31 45 54 58
10d# 27 33 50 55 65
11d# 30 39 56 63 75
12d# 33 43 62 66 84
13d# 36 48 67 68 85
14d# 40 49 71 75 95
15d# 41 53 73 78 97
16d# 45 57 76 84 107
17d# 46 60 83 85 114
18d# 47 61 88 93 125
19d# 50 65 91 99 130
20d# 51 71 93 100 138
21d# 54 75 97 109 143
22d# 58 78 99 119 147
23d# 61 82 103 129 148
24d# 64 85 105 131 152
26d# 70 88 116 147 171
27d# 72 90 118 155 174
28d# 73 95 119 156 177
29d# 74 100 122 161 189
30d# 75 105 125 168 196