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Sum roll probabilities

This page outlines the probabilities when rolling dice and summing the resulting faces



At least probability

This table tells you the probability of rolling at least the number in the “At Least” column, when you sum the result of varying numbers of dice

At Least2d63d64d65d66d67d68d69d610d6
2 100.0%
3 97.22% 100.0%
4 91.67% 99.54% 100.0%
5 83.33% 98.15% 99.92% 100.0%
6 72.22% 95.37% 99.61% 99.99% 100.0%
7 58.33% 90.74% 98.84% 99.92% 100.0% 100.0%
8 41.67% 83.80% 97.30% 99.73% 99.98% 100.0% 100.0%
9 27.78% 74.07% 94.60% 99.28% 99.94% 100.0% 100.0% 100.0%
10 16.67% 62.50% 90.28% 98.38% 99.82% 99.99% 100.0% 100.0% 100.0%
11 8.33% 50.00% 84.10% 96.76% 99.55% 99.96% 100.0% 100.0% 100.0%
12 2.78% 37.50% 76.08% 94.12% 99.01% 99.88% 99.99% 100.0% 100.0%
13 - 25.93% 66.44% 90.20% 98.03% 99.72% 99.97% 100.0% 100.0%
14 - 16.2% 55.63% 84.80% 96.41% 99.39% 99.92% 99.99% 100.0%
15 - 9.26% 44.37% 77.85% 93.92% 98.79% 99.82% 99.98% 100.0%
16 - 4.63% 33.56% 69.48% 90.35% 97.79% 99.62% 99.95% 100.0%
17 - 1.85% 23.92% 60.03% 85.54% 96.21% 99.26% 99.89% 99.99%
18 - 0.46% 15.90% 50.00% 79.42% 93.88% 98.63% 99.76% 99.97%
19 - - 9.72% 39.97% 72.06% 90.61% 97.63% 99.54% 99.93%
20 - - 5.4% 30.52% 63.69% 86.28% 96.11% 99.15% 99.85%
21 - - 2.7% 22.15% 54.64% 80.83% 93.93% 98.51% 99.71%
22 - - 1.16% 15.20% 45.36% 74.28% 90.93% 97.53% 99.47%
23 - - 0.39% 9.80% 36.31% 66.78% 87.02% 96.08% 99.06%
24 - - 0.08% 5.88% 27.94% 58.58% 82.11% 94.04% 98.43%
25 - - - 3.24% 20.58% 50.00% 76.23% 91.29% 97.48%
26 - - - 1.62% 14.46% 41.42% 69.46% 87.72% 96.10%
27 - - - 0.72% 9.65% 33.22% 61.98% 83.28% 94.20%
28 - - - 0.27% 6.08% 25.72% 54.05% 77.96% 91.66%
29 - - - 0.08% 3.59% 19.17% 45.95% 71.81% 88.40%
30 - - - 0.01% 1.97% 13.72% 38.02% 64.96% 84.35%
31 - - - - 0.99% 9.39% 30.54% 57.61% 79.50%
32 - - - - 0.45% 6.12% 23.77% 50.00% 73.89%
33 - - - - 0.18% 3.79% 17.89% 42.39% 67.60%
34 - - - - 0.06% 2.21% 12.98% 35.04% 60.79%
35 - - - - 0.02% 1.21% 9.07% 28.19% 53.63%
36 - - - - 0.00% 0.61% 6.07% 22.04% 46.37%
37 - - - - - 0.30% 3.90% 16.70% 39.2%
38 - - - - - 0.10% 2.40% 12.30% 32.4%
39 - - - - - 0% 1.40% 8.70% 26.1%
40 - - - - - 0% 0.7% 6.00% 20.5%
41 - - - - - 0% 0.4% 3.90% 15.7%
42 - - - - - 0% 0.2% 2.50% 11.6%
43 - - - - - - 0.1% 1.5% 8.3%
44 - - - - - - 0% 0.9% 5.8%
45 - - - - - - 0% 0.5% 3.9%
46 - - - - - - 0% 0.2% 2.5%
47 - - - - - - 0% 0.1% 1.6%
48 - - - - - - 0% 0% 0.9%
49 - - - - - - - 0% 0.5%
50 - - - - - - - 0% 0.3%
51 - - - - - - - 0% 0.1%
52 - - - - - - - 0% 0.1%
53 - - - - - - - 0% 0%
54 - - - - - - - 0% 0%
55 - - - - - - - - 0%
56 - - - - - - - - 0%
57 - - - - - - - - 0%
58 - - - - - - - - 0%
59 - - - - - - - - 0%
60 - - - - - - - - 0%
At Least2d63d64d65d66d67d68d69d610d6



100% probability

The following table shows the probabilities for rolling a specific number, given different amounts of dice

Result2d63d64d65d66d67d68d69d610d6
1
2 2.8%
3 5.5% 0.5%
4 8.3% 1.4% 0.08%
5 11.1% 2.8% 0.31% 0.01%
6 13.9% 4.6% 0.77% 0.06% 0.00%
7 16.7% 6.9% 1.54% 0.19% 0.01% 0.00%
8 13.9% 9.7% 2.70% 0.45% 0.05% 0.00% 0.00%
9 11.1% 11.6% 4.32% 0.90% 0.12% 0.01% 0.00% 0.00%
10 8.3% 12.5% 6.17% 1.62% 0.27% 0.03% 0.00% 0.00% 0.00%
11 5.5% 12.5% 8.02% 2.64% 0.54% 0.08% 0.01% 0.00% 0.00%
12 2.7% 11.6% 9.65% 3.92% 0.98% 0.17% 0.02% 0.00% 0.00%
13 - 9.7% 10.80% 5.40% 1.62% 0.32% 0.05% 0.00% 0.00%
14 - 6.9% 11.27% 6.94% 2.49% 0.60% 0.10% 0.01% 0.00%
15 - 4.6% 10.80% 8.37% 3.57% 1.00% 0.20% 0.03% 0.00%
16 - 2.8% 9.65% 9.45% 4.82% 1.58% 0.37% 0.06% 0.01%
17 - 1.4% 8.02% 10.03% 6.12% 2.34% 0.62% 0.12% 0.02%
18 - 0.5% 6.17% 10.03% 7.35% 3.27% 1.00% 0.23% 0.04%
19 - - 4.32% 9.45% 8.37% 4.33% 1.52% 0.39% 0.08%
20 - - 2.70% 8.37% 9.05% 5.45% 2.18% 0.64% 0.14%
21 - - 1.54% 6.94% 9.28% 6.55% 3.00% 0.98% 0.24%
22 - - 0.77% 5.40% 9.05% 7.50% 3.92% 1.45% 0.40%
23 - - 0.31% 3.92% 8.37% 8.20% 4.90% 2.04% 0.63%
24 - - 0.08% 2.64% 7.35% 8.58% 5.88% 2.75% 0.95%
25 - - - 1.62% 6.12% 8.58% 6.77% 3.56% 1.37%
26 - - - 0.90% 4.82% 8.20% 7.48% 4.44% 1.90%
27 - - - 0.45% 3.57% 7.50% 7.93% 5.32% 2.54%
28 - - - 0.19% 2.49% 6.55% 8.09% 6.15% 3.26%
29 - - - 0.06% 1.62% 5.45% 7.93% 6.84% 4.05%
30 - - - 0.01% 0.98% 4.33% 7.48% 7.35% 4.84%
31 - - - - 0.54% 3.27% 6.77% 7.61% 5.61%
32 - - - - 0.27% 2.34% 5.88% 7.61% 6.28%
33 - - - - 0.12% 1.58% 4.90% 7.35% 6.82%
34 - - - - 0.05% 1.00% 3.92% 6.84% 7.15%
35 - - - - 0.01% 0.60% 3.00% 6.15% 7.27%
36 - - - - 0.00% 0.32% 2.18% 5.32% 7.15%
37 - - - - - 0.17% 1.52% 4.44% 6.82%
38 - - - - - 0.08% 1.00% 3.56% 6.28%
39 - - - - - 0.03% 0.62% 2.75% 5.61%
40 - - - - - 0.01% 0.37% 2.04% 4.84%
41 - - - - - 0.00% 0.20% 1.45% 4.05%
42 - - - - - 0.00% 0.10% 0.98% 3.26%
43 - - - - - - 0.05% 0.64% 2.54%
44 - - - - - - 0.02% 0.39% 1.90%
45 - - - - - - 0.01% 0.23% 1.37%
46 - - - - - - 0.00% 0.12% 0.95%
47 - - - - - - 0.00% 0.06% 0.63%
48 - - - - - - 0.00% 0.03% 0.40%
49 - - - - - - - 0.01% 0.24%
50 - - - - - - - 0.00% 0.14%
51 - - - - - - - 0.00% 0.08%
52 - - - - - - - 0.00% 0.04%
53 - - - - - - - 0.00% 0.02%
54 - - - - - - - 0.00% 0.01%
55 - - - - - - - - 0.00%
56 - - - - - - - - 0.00%
57 - - - - - - - - 0.00%
58 - - - - - - - - 0.00%
59 - - - - - - - - 0.00%
60 - - - - - - - - 0.00%
Result2d63d64d65d66d67d68d69d610d6



99% Probability

This is the same table as above, but with anything that is below a 1% chance filtered out for readability

Result2d63d64d65d66d67d68d69d610d6
1
2 2.8%
3 5.5%
4 8.3% 1.4%
5 11.1% 2.8%
6 13.9% 4.6%
7 16.7% 6.9% 1.54%
8 13.9% 9.7% 2.70%
9 11.1% 11.6% 4.32%
10 8.3% 12.5% 6.17% 1.62%
11 5.5% 12.5% 8.02% 2.64%
12 2.7% 11.6% 9.65% 3.92%
13 - 9.7% 10.80% 5.40% 1.62%
14 - 6.9% 11.27% 6.94% 2.49%
15 - 4.6% 10.80% 8.37% 3.57% 1.00%
16 - 2.8% 9.65% 9.45% 4.82% 1.58%
17 - 1.4% 8.02% 10.03% 6.12% 2.34%
18 - - 6.17% 10.03% 7.35% 3.27% 1.00%
19 - - 4.32% 9.45% 8.37% 4.33% 1.52%
20 - - 2.70% 8.37% 9.05% 5.45% 2.18%
21 - - 1.54% 6.94% 9.28% 6.55% 3.00%
22 - - - 5.40% 9.05% 7.50% 3.92% 1.45%
23 - - - 3.92% 8.37% 8.20% 4.90% 2.04%
24 - - - 2.64% 7.35% 8.58% 5.88% 2.75%
25 - - - 1.62% 6.12% 8.58% 6.77% 3.56% 1.37%
26 - - - - 4.82% 8.20% 7.48% 4.44% 1.90%
27 - - - - 3.57% 7.50% 7.93% 5.32% 2.54%
28 - - - - 2.49% 6.55% 8.09% 6.15% 3.26%
29 - - - - 1.62% 5.45% 7.93% 6.84% 4.05%
30 - - - - - 4.33% 7.48% 7.35% 4.84%
31 - - - - - 3.27% 6.77% 7.61% 5.61%
32 - - - - - 2.34% 5.88% 7.61% 6.28%
33 - - - - - 1.58% 4.90% 7.35% 6.82%
34 - - - - - 1.00% 3.92% 6.84% 7.15%
35 - - - - - - 3.00% 6.15% 7.27%
36 - - - - - - 2.18% 5.32% 7.15%
37 - - - - - - 1.52% 4.44% 6.82%
38 - - - - - - 1.00% 3.56% 6.28%
39 - - - - - - - 2.75% 5.61%
40 - - - - - - - 2.04% 4.84%
41 - - - - - - - 1.45% 4.05%
42 - - - - - - - - 3.26%
43 - - - - - - - - 2.54%
44 - - - - - - - - 1.90%
45 - - - - - - - - 1.37%
Result2d63d64d65d66d67d68d69d610d6
wiki/sum roll probabilities.txt · Last modified: 2017/02/05 02:11 by caleymccready