Game Dice Probability evaluates classic NdS±M expressions such as 2d6+3. It enumerates the full outcome distribution, shows percentages and the mean, and draws a compact CSS bar chart so RPG tables and designers can see the shape of a roll at a glance.
What Game Dice Probability does
Analyzes dice expressions for tabletop math.
- Parser for NdS, NdS+M, and NdS-M
- Exact distribution via iterative convolution
- CSS bar chart and numeric table
- Mean and outcome count
- Works offline
Who Game Dice Probability is for
- TTRPG players comparing damage options
- Game designers balancing weapons
- Teachers demonstrating discrete distributions
- Streamers explaining roll odds
How to use Game Dice Probability
1. Open Game Dice Probability on beeforge.dev.
2. Enter an expression like 2d6+3 or 1d20.
3. Read the mean and scan the chart.
4. Use the table for precise percentages.
Features
- Caps at 8 dice for responsive enumeration
- Related dice roller for random rolls
- Clear error messaging for bad syntax
- Client-side only
Examples
- 2d6+3 for many RPG damage lines.
- 4d6 for classic ability score vibes (within the 8-die cap).
- 1d20 for attack roll uniformity.
Tips and limits
- Very large die counts are rejected to keep the page snappy.
- Exploding dice and keep-highest systems are out of scope.
- Modifiers shift labels after the raw sum distribution.
- No uploads.
Related tools
- Dice Roller to roll live results.
- Pokemon Type Calculator for another gaming math helper.
FAQ
What expressions are supported?
Forms like d6, 2d6, 2d6+3, or 3d8-1 with up to 8 dice and sides up to 100.
Is the chart simulated?
No. It enumerates combinations exactly for the supported limits.
Is data uploaded?
No. Calculation runs in your browser.
Extra notes
This BeeForge tool runs entirely in your browser so drafts, commands, and preview text never need to leave your device for processing. Keep a backup of long outputs in your own notes if you rely on them for production servers or live events. Syntax can change between game or client versions, so verify commands and JSON in a creative world or staging pack before shipping to players. If a paste fails in chat, use a command block, function file, or datapack entry instead of relying on the 256 character chat limit. Accessibility friendly labels come from the module UI strings, and the layout follows the shared BeeForge .bf-tool shell for consistent spacing and buttons.
Support for educators, content creators, and server staff is the same client-side model: open the page, configure options, copy or download, then paste into your workflow. BeeForge related links at the bottom of the tool page point to companion generators so you can move between related gaming utilities without hunting the hub.