Generators

Instant, private, and free

Dice Roller.

Roll virtual dice for games and probability

On-device calculationNo signup
01

Set your values

Results update as you type.

Cite this calculator

Canonical URL: https://mathify.one/zh/random/dice

Cite as: Mathify. (2026). 掷骰子. https://mathify.one/zh/random/dice

Use Cases

Board games and RPGs

Replace physical dice with virtual ones for board games, tabletop RPGs, or any game requiring dice. Set the number of sides and count to match your game's rules.

Example: Roll 2d6 for a board game or 1d20 for a D&D attack roll.

Probability demonstrations

Use the roller to generate many outcomes and observe the distribution, helping to illustrate concepts like expected value or the law of large numbers.

Example: Roll 100d6 and count how many times each number appears.

Frequently Asked Questions

How does the Dice Roller work?
You specify the number of sides on the die (sides) and how many dice to roll (count). The calculator then generates random numbers within the range 1 to sides for each die, simulating a physical dice roll.
Can I use this for probability calculations?
Yes, you can use it to simulate many rolls and observe the frequency of outcomes, which can help illustrate probability concepts. However, it's a random generator, not a probability calculator.
Is the dice roll truly random?
The calculator uses a pseudo-random number generator, which is suitable for games and casual probability exploration. For cryptographic or high-stakes randomness, use a dedicated random source.

Tips & Common Mistakes

Tips

  • For a standard six-sided die, set sides to 6 and count to 1 for a single roll.
  • To roll multiple dice at once, increase the count. The results will be shown for each die individually.
  • Use the roller to quickly test game mechanics or settle disputes without needing physical dice.
  • Remember that each roll is independent; past rolls do not influence future ones.

Common Mistakes to Avoid

  • Setting sides to 0 or a negative number – the number of sides must be a positive integer.
  • Setting count to 0 – you need at least one die to roll.
  • Assuming the results are not random – they are generated randomly, but not suitable for cryptographic purposes.

Last updated: August 13, 2026