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 4 5 9 6 2 12 26



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 20 7 1 5 14 15 13
1d20-1 9 19 6 0 4 13 14 12
1d20+0 10 20 7 1 5 14 15 13
1d20+1 11 21 8 2 6 15 16 14
1d20+2 12 22 9 3 7 16 17 15
1d20+3 13 23 10 4 8 17 18 16
1d20+4 14 24 11 5 9 18 19 17
1d20+5 15 25 12 6 10 19 20 18
1d20+6 16 26 13 7 11 20 21 19
1d20+7 17 27 14 8 12 21 22 20
1d20+8 18 28 15 9 13 22 23 21
1d20+9 19 29 16 10 14 23 24 22
1d20+10 20 30 17 11 15 24 25 23
1d20+11 21 31 18 12 16 25 26 24
1d20+12 22 32 19 13 17 26 27 25
1d20+13 23 33 20 14 18 27 28 26
1d20+14 24 34 21 15 19 28 29 27
1d20+15 25 35 22 16 20 29 30 28
1d20+16 26 36 23 17 21 30 31 29
1d20+17 27 37 24 18 22 31 32 30
1d20+18 28 38 25 19 23 32 33 31
1d20+19 29 39 26 20 24 33 34 32
1d20+20 30 40 27 21 25 34 35 33

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 4 6 3 4 2
2d# 8 9 4 9 3
3d# 9 11 11 11 7
4d# 11 16 18 15 17
5d# 14 19 26 17 21
6d# 17 25 34 26 29
7d# 19 27 36 31 40
8d# 21 32 41 33 47
9d# 24 34 48 41 53
10d# 25 36 56 51 61
11d# 28 39 57 58 69
12d# 31 44 61 67 70
13d# 35 46 63 70 82
14d# 36 51 70 74 90
15d# 40 53 78 78 97
16d# 43 54 82 80 102
17d# 46 59 90 90 114
18d# 48 63 98 93 123
19d# 49 68 99 100 125
20d# 51 69 102 102 137
21d# 55 73 104 103 143
22d# 57 76 107 113 145
23d# 59 79 112 118 151
24d# 62 85 120 125 156
26d# 68 89 125 139 168
27d# 69 92 129 140 170
28d# 71 94 136 150 181
29d# 75 96 142 159 184
30d# 79 102 148 160 195