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
9 2 3 7 1 5 6 18



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 4 6 1 8 3
2d# 7 7 8 14 14
3d# 10 8 16 22 26
4d# 11 9 21 24 27
5d# 15 11 24 32 35
6d# 19 17 29 41 44
7d# 20 20 37 45 47
8d# 21 23 39 51 53
9d# 22 25 46 56 54
10d# 23 28 47 66 62
11d# 24 31 55 76 67
12d# 26 34 61 84 75
13d# 30 37 62 92 76
14d# 31 41 68 98 87
15d# 32 47 74 103 99
16d# 33 51 80 109 100
17d# 36 56 85 114 101
18d# 39 61 87 121 110
19d# 42 67 93 129 120
20d# 45 68 94 138 128
21d# 48 70 102 139 130
22d# 51 71 103 140 134
23d# 55 74 111 144 143
24d# 59 77 112 145 150
26d# 66 81 122 148 167
27d# 69 87 130 149 171
28d# 72 91 132 159 172
29d# 74 94 137 169 176
30d# 76 99 140 179 184