Multi-Dice Roller & Total Calculator (NdM Notation)

Roll any custom combination of N dice with M faces (e.g. 3d6, 4d8, 2d20) and calculate the cumulative sum.

How It Works & Processing Standards

Roll any custom combination of N dice with M faces (e.g. 3d6, 4d8, 2d20) and calculate the cumulative sum.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Multi-Dice Roller & Total Calculator (NdM Notation) is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Multi-Dice Roller & Total Calculator (NdM Notation)

  1. 1
    Set Dice CountSpecify how many dice to roll.
  2. 2
    Set Side CountEnter the number of sides per die.
  3. 3
    Check ResultsView notation, individual rolls, and grand total.

Common Use Cases

  • Custom tabletop RPG damage rolls, critical hit calculations, and statistical gaming simulations
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