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 3 3 8 3 2 1 80



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 2 4 2 6 6
2d# 4 9 6 11 8
3d# 8 12 12 18 15
4d# 9 14 13 19 21
5d# 11 15 18 25 23
6d# 15 16 19 35 31
7d# 18 17 25 41 35
8d# 22 22 27 43 42
9d# 25 25 34 51 54
10d# 28 31 37 57 58
11d# 30 35 40 65 67
12d# 31 40 48 72 70
13d# 32 43 56 76 76
14d# 35 44 57 83 87
15d# 36 48 58 93 97
16d# 38 53 66 99 105
17d# 39 55 67 106 115
18d# 41 58 69 110 119
19d# 42 61 73 113 130
20d# 43 66 80 115 135
21d# 47 72 87 125 141
22d# 51 74 92 130 151
23d# 54 75 99 140 153
24d# 55 77 104 143 157
26d# 62 83 111 148 168
27d# 66 89 114 153 171
28d# 67 94 118 156 183
29d# 71 98 125 166 194
30d# 74 102 131 176 203