Online Dice Roller Calculator: Roll Virtual Dice for Games & Probability

Roll Your Virtual Dice Now!

How many dice you want to roll (e.g., '2' for 2d6).
Choose the type of die (e.g., d20 for Dungeons & Dragons).
An optional number to add or subtract from the total roll (e.g., +5).

Our free Online Dice Roller Calculator lets you simulate rolling various dice types instantly. Perfect for tabletop RPGs like D&D, board games, or any situation needing a random number generator. Simply choose your dice, specify the number of rolls, and get immediate results. Explore probability with ease!

Formula:

The Dice Roller generates a random integer between 1 and N (where N is the number of faces on the die) for each roll. For multiple dice, it sums these random integers. The optional modifier is then added to the total.

  • Number of Dice (X): How many dice to roll.
  • Die Type (N): The number of faces on each die (e.g., d6 for a 6-sided die).
  • Modifier (M): An optional value added to the total roll.
  • Result: Sum of X random numbers from 1 to N, plus M.

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