Recognised as Dice notation
2d486
- 2d486
- 2 to 972
- mean 487
- mode 487
Rolling 2d486 gives a total between 2 and 972, with a mean of 487 and a standard deviation of 198.4082. There are 236,196 equally likely ordered outcomes, and the most likely total is 487 at 0.206%.
The roll
Notation2d486
Dice2
Faces per die486
Minimum total2all 2 dice showing 1
Maximum total972all 2 dice showing 486
Distinct totals971
Mean487n(f + 1)/2 + modifier, exact
Variance39,365.83333333n(f² − 1)/12, exact
Standard deviation198.40824916≈
Counting the outcomes
Ordered outcomes236,196486^2, every die distinguishable
Most likely total487
Chance of that total0.205761%≈
Ways to roll it486exact count
Chance of the minimum0.00042338%≈1 in 236,196
Chance of the maximum0.00042338%≈1 in 236,196
Shape of the distribution
971 distinct totals, too many to list individually.
1st percentile70≈1.022% of rolls are this or lower
5th percentile155≈5.053% of rolls are this or lower
25th percentile345≈25.123% of rolls are this or lower
50th percentile487≈50.103% of rolls are this or lower
75th percentile629≈75.022% of rolls are this or lower
95th percentile819≈95.012% of rolls are this or lower
99th percentile904≈99.007% of rolls are this or lower
Chance of rolling at least
9997.9877%≈
24587.4486%≈
48750.1029%≈
73012.5514%≈
8752.0538%≈
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