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
15 4 1 7 5 5 5 98



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 1 4 3 8 11
2d# 4 7 10 13 14
3d# 6 8 15 22 26
4d# 8 9 22 26 30
5d# 11 12 27 33 40
6d# 14 18 35 34 41
7d# 17 19 37 38 50
8d# 19 25 43 39 61
9d# 20 30 45 45 62
10d# 24 31 47 53 73
11d# 27 35 53 57 82
12d# 29 36 56 60 83
13d# 32 42 59 68 90
14d# 33 45 61 75 93
15d# 35 50 63 81 97
16d# 38 51 68 88 100
17d# 41 56 69 95 103
18d# 42 62 75 105 110
19d# 45 64 82 106 122
20d# 49 66 89 115 132
21d# 51 71 90 119 138
22d# 54 73 95 128 144
23d# 56 79 96 138 150
24d# 59 85 102 142 156
26d# 62 90 108 158 168
27d# 65 92 111 167 180
28d# 69 97 114 170 189
29d# 71 100 115 173 195
30d# 75 101 120 180 197