Dice Roller

Polyhedral dice for TRPG (supports expressions like 2d6+3)

How to Use

Enter a dice formula in the input field (e.g., 2d6+3)
Click the "Roll" button or press Enter
The total value and breakdown of each die are displayed
Quick dice buttons allow you to quickly roll d4 to d100
You can view past results in the roll history

Use Cases

When rolling dice during a TRPG session
When using as a substitute for dice in board games
When generating random numbers for probability simulations or educational purposes
When quickly calculating complex dice formulas (such as 3d8+2d4-1)

Frequently Asked Questions

Please teach me how to write a dice formula ▼

Write in the format "NdX". N is the number of dice, X is the number of faces. For example, 2d6 rolls 2 six-sided dice. You can add modifiers with + or -, or combine multiple dice (e.g., 2d6+3, 1d20+1d4-2).

Are the random numbers really random? ▼

Yes, we use cryptographically secure random number generation using the browser's Crypto API. It has fairness equivalent to physical dice.

What types of dice are supported? ▼

In addition to standard polyhedral dice such as d4, d6, d8, d10, d12, d20, and d100, it also supports any number of faces (d3, d7, etc.).

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