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Free online dice roller. Choose from D4, D6, D8, D10, D12, and D20. Roll up to 10 dice at once with realistic animations and automatic sum calculations.
When the dice go missing in the middle of a game night, or you need a quick roll during a tabletop RPG session, an online dice roller gets you back to playing in seconds. Our virtual dice support every standard polyhedral type used in modern games — D4, D6, D8, D10, D12, and D20 — and let you roll up to ten of them at once. Each roll uses your browser's cryptographic random number generator, so the outcomes are mathematically fair and impossible to predict. Results display on animated 3D dice, individual face values are listed clearly, and the running total is calculated automatically. The full roll history is kept in a side log so you can compare outcomes across the session, which is especially handy for sustained tabletop play, statistics demonstrations, or game-design balance testing.
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Roll D20s for attack rolls, ability checks, and saving throws. Use multiple D6s for damage, D8s for healing spells, or a D100 (two D10s) for percentile mechanics. Works in-person or alongside a virtual tabletop.
Replace lost dice for Yahtzee, Monopoly, Risk, Catan, Backgammon, or Snakes and Ladders. The full roll history keeps the game fair when someone disputes a result, and the sum calculator skips the mental math.
Demonstrate the law of large numbers by rolling a D6 a hundred times and watching the distribution converge to uniform. Useful for stats lessons on expected value, variance, and combinatorics — and no physical dice required.
Test a custom rule, a homebrew DnD ability, or a board game mechanic by running batches of rolls and analyzing outcomes. Roll multiple dice types in sequence to model complex resolution systems.
Roll to settle a tie, choose a turn order, pick a winner from a numbered list, or assign random seats. Faster than a coin toss when you have more than two options to choose from.
Each polyhedral die models a discrete uniform distribution — every face has an identical probability of landing up. A standard D6 gives each face a 1/6 (≈16.67%) chance, a D20 gives each face 1/20 (5%), and a D100 (two D10s read as tens and ones) gives each result a 1% chance. Our roller generates randomness from the browser's Web Cryptography API (window.crypto.getRandomValues), which is the same high-entropy source used for security-sensitive operations. That means there's no software bias, no patterns repeating, and no memory of previous rolls — each roll is statistically independent. When you roll multiple dice at once, the joint probability of any specific combination is the product of the individual probabilities, which is why sums in 2D6 follow a triangular distribution (7 is the most common) rather than a flat one.
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Roll dice, flip coins, spin wheels, or split teams to see results here!