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
2 4 5 9 5 5 7 50



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

Damage or other effects...
  d4 d6 d8 d10 d12
1d# 3 4 8 7 9
2d# 6 10 14 8 10
3d# 10 12 19 18 17
4d# 13 14 24 24 22
5d# 14 17 31 32 28
6d# 16 23 38 33 35
7d# 17 28 41 34 45
8d# 18 30 47 35 49
9d# 22 32 51 41 52
10d# 26 33 57 47 55
11d# 29 37 61 48 62
12d# 31 38 65 53 70
13d# 34 41 70 58 81
14d# 35 47 75 60 93
15d# 39 53 83 64 98
16d# 43 59 90 71 106
17d# 45 61 91 72 107
18d# 46 67 99 74 109
19d# 47 68 100 81 117
20d# 50 70 108 84 123
21d# 52 75 111 86 133
22d# 55 79 113 91 135
23d# 58 85 115 93 142
24d# 62 90 121 103 151
26d# 67 95 133 110 175
27d# 70 97 139 116 187
28d# 73 103 146 123 190
29d# 74 108 154 133 193
30d# 75 113 156 139 198