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
5 4 4 8 3 4 3 11



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 1 3 5 6 11
2d# 4 8 6 15 17
3d# 7 9 7 18 24
4d# 10 13 15 26 29
5d# 12 17 20 35 37
6d# 15 22 27 42 40
7d# 16 25 34 49 52
8d# 20 28 40 50 59
9d# 21 31 45 58 71
10d# 23 37 48 63 79
11d# 25 39 54 70 91
12d# 27 44 62 73 98
13d# 29 47 70 81 110
14d# 32 51 71 87 119
15d# 36 56 77 92 127
16d# 38 61 82 93 138
17d# 39 65 90 99 141
18d# 43 66 95 105 149
19d# 46 69 103 111 161
20d# 50 72 111 119 173
21d# 52 73 117 123 177
22d# 53 75 118 127 180
23d# 55 79 120 137 190
24d# 57 84 121 144 202
26d# 60 89 129 149 221
27d# 62 94 134 153 228
28d# 64 100 137 154 240
29d# 66 105 140 161 243
30d# 68 108 144 162 246