🎲 Online Dice Roller

Updated: 2026-07-11

Select Dice

Quick Presets

1
Select a die type and click "Roll Dice" to start

πŸ“œ Roll History

No rolls yet

πŸ“– About Dice

Dice are the most essential tools in tabletop role-playing games (TTRPGs). Different dice types serve different purposes:

This tool uses cryptographically secure random number generation (Crypto.getRandomValues()) ensuring fair, unpredictable results.

Advertisement

How to Use the Online Dice Roller

Solve math problems with the Online Dice Roller in three steps:

  1. Enter Your Numbers or Equation
    Type the numbers, equation, or data set into the input fields. The tool supports various mathematical operations and formats.
  2. Select the Operation
    Choose the mathematical operation or calculation you want to perform. Options vary based on the specific tool.
  3. View the Solution
    The result is displayed instantly with clear formatting. Copy the answer or adjust inputs to explore different scenarios.

❓ FAQ

Is the dice roller truly random?

Yes. It uses the browser's built-in Crypto.getRandomValues() cryptographically secure RNG, far more reliable than Math.random(). Each roll is completely independent and unpredictable.

Does it support custom dice?

Yes! Click "Custom" in the dice selector to create a die with any number of sides (2-999). Perfect for D3, D15, D30, D50, or any specialty dice you need.

How many dice can I roll at once?

Up to 20 dice per roll. Batch rolling shows total sum, average, highest, and lowest values automatically. History preserves detailed results for each batch roll.

Can I clear the history?

Yes. Click the "Clear History" button to remove all saved rolls. History is stored in your browser's localStorage and persists between sessions until cleared.

What can I use this for?

Tabletop RPGs (D&D, Pathfinder, Call of Cthulhu), board games, random selection, probability education, decision making, and any scenario needing fair random numbers.