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
6 4 5 10 7 2 10 1



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 2 2 7 5 8
2d# 3 4 12 10 18
3d# 7 8 13 17 24
4d# 8 12 18 20 26
5d# 11 14 22 30 38
6d# 14 19 24 34 45
7d# 18 23 27 43 57
8d# 19 25 33 47 61
9d# 22 31 40 54 72
10d# 25 35 45 63 78
11d# 27 37 46 67 85
12d# 28 39 49 74 86
13d# 30 40 57 77 94
14d# 34 41 63 80 106
15d# 36 42 64 81 116
16d# 38 47 72 91 118
17d# 40 49 74 93 126
18d# 43 51 76 100 136
19d# 47 53 82 105 142
20d# 50 58 88 106 154
21d# 52 64 89 116 160
22d# 53 70 95 125 165
23d# 56 72 98 128 169
24d# 60 73 103 129 172
26d# 65 82 118 140 187
27d# 66 85 124 146 190
28d# 67 91 129 152 199
29d# 71 97 132 160 200
30d# 73 100 138 164 211