Random Dice Roller
Roll virtual dice online with our free random dice roller. Supports d4, d6, d8, d10, d12, d20, and d100 dice with totals, averages, and frequency charts.
About This Calculator
Our free random dice roller simulates fair dice rolls for any of seven common die types: d4, d6, d8, d10, d12, d20, and d100. Whether you're playing Dungeons & Dragons, Pathfinder, Warhammer, or any tabletop RPG that needs virtual dice, this calculator provides instant random results with full statistical breakdowns. Roll up to 10 dice at once and see the total sum, average roll value, individual die results, and a frequency distribution chart that shows how often each face value appeared.
The dice roller uses a pseudo-random number generator where each die independently produces an integer between 1 and the number of sides with equal probability. Every roll is independent of the last, making it suitable for fair gameplay. The frequency chart visualizes the distribution of rolled values across all dice — for a small number of dice, the distribution may not be perfectly uniform (that's expected randomness), but across many rolls each face tends toward equal frequency.
Regional Notes
Dice are a universal gaming tool used worldwide. In the United States, d20 systems dominate tabletop RPGs like D&D. In the United Kingdom and Europe, both d6-based board games and d20 RPGs are popular. In India, traditional board games like Ludo use a single d6, while RPG communities in metro areas use the full range of polyhedral dice. This calculator serves all regions equally with no region-specific configuration required.
Frequently Asked Questions
How does the random dice roller work?
The random dice roller uses a cryptographically-inspired pseudo-random number generator to simulate fair dice rolls. Each die independently generates a random integer between 1 and the number of sides, ensuring every outcome is equally likely. You can roll up to 10 dice at once and view the total, average, individual results, and frequency distribution charts.
What types of dice are supported?
Our random dice roller supports seven common dice types: d4 (4-sided), d6 (6-sided), d8 (8-sided), d10 (10-sided), d12 (12-sided), d20 (20-sided), and d100 (100-sided). This covers dice used in Dungeons & Dragons, Pathfinder, and most tabletop RPGs, as well as standard board game dice.
Is the random dice roller truly random?
The dice roller uses JavaScript's Math.random() function, which is seeded by the system's entropy source. While not truly random in a cryptographic sense, it is sufficiently random for all practical gaming purposes including D&D sessions, board games, and educational probability demonstrations. Each roll is independent of previous rolls.
Can I roll different types of dice together?
This random dice roller rolls all dice of the same type per roll. If you need to roll different die types together (e.g., 1d20 + 1d6), use our Custom Dice Roller or D&D Dice Roller which support mixed dice sets. For a single die type, this calculator shows the total, average, and frequency distribution across all dice rolled.
How many dice can I roll at once?
You can roll up to 10 dice at once with our random dice roller. After each roll, the total sum, per-die average, individual die results, and a frequency distribution chart are displayed. Simply change the number of dice or die sides and click Roll Dice again for a new set of random results.
Can I share my dice roll results?
Yes, the random dice roller saves your dice count and die sides to the URL query parameters. You can bookmark or share the URL to replay the same roll configuration. Each time the page loads with URL parameters, it auto-rolls and displays fresh random results.