Dice Roller

Roll virtual dice with customizable number of dice, sides, and modifiers. View statistics and history.

Result

Fill in the fields above, then press Roll.

A dice roller simulates rolling any combination of polyhedral dice with optional modifiers, providing instant results and distribution statistics for tabletop games.

Select the number of dice, the number of sides per die, an optional modifier, and how many times to roll. Click Roll to simulate all rolls; each result and the distribution statistics are shown.

Examples

Standard 2d6

Rolling 2 six-sided dice: minimum 2, maximum 12, expected average 7. The most common result is 7 (6 out of 36 combinations).

D&D attack roll (1d20+5)

Rolling 1 twenty-sided die with +5 modifier: range 6 to 25, expected average 15.5.

Frequently Asked Questions

Are the rolls truly random?
The rolls use JavaScript's Math.random() pseudo-random number generator, which is suitable for games and simulations but not for cryptographic purposes.
What dice notation means
NdS+M means N dice with S sides each, plus modifier M. For example, 3d8+2 means roll three 8-sided dice and add 2 to the total.
Related Calculators
Probability Calculator
Random Number Generator
Permutation & Combination Calculator
Number Sequence Calculator

Quick Tips

  • •Use dice notation: "2d6+3" means 2 six-sided dice plus 3.
  • •Roll multiple times to see how the distribution converges toward the expected average.
  • •Common RPG dice are d4, d6, d8, d10, d12, d20, and d100.