Dice Roller - Calculator See


Dice Roller

Roll virtual tabletop RPG dice with modifiers for Dungeons & Dragons (D&D), Pathfinder, and board games.

Calculator Inputs

dice
How many dice to roll.
Die sides.
Added to total sum (e.g. +3).

Calculated Results

Dice Roll Total
14 (Rolls: [4, 7] + 3)
Die Type 2d10 + 3
Minimum Possible 5 (2 + 3)
Maximum Possible 23 (20 + 3)
Values calculate live as you adjust inputs.

About Dice Roller

A cryptographically random virtual dice roller supporting tabletop roleplaying games (TTRPGs) with modifier math and roll history.

What is Dice Roller?

A cryptographically random virtual dice roller supporting tabletop roleplaying games (TTRPGs) with modifier math and roll history.

How to Use This Calculator

  1. Select number of dice and die type (d4 to d100).
  2. Add an optional modifier (+3, -1, etc.).
  3. Review total sum and individual die results.

The Mathematical Formula & Variables

Total = Sum of N random integers from 1 to S + Modifier

Step-by-Step Worked Example

Scenario: Rolling 2d10 + 3.

  1. Die 1 rolls 4, Die 2 rolls 7 (sum = 11).
  2. Add modifier of 3: 11 + 3 = 14.

Result: 14

Frequently Asked Questions

Are the virtual dice rolls truly random?

Yes. Rolls utilize the browser Web Crypto API (crypto.getRandomValues), providing cryptographically unbiased pseudo-random number generation.