Dice
Roller
&
Coin
Flip

Roll dice and flip coins with cryptographic randomness.

🎲 Dice Roller

πŸͺ™ Coin Flip

Learn more

What are the odds of rolling two sixes, and how does the AND rule work?

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Frequently Asked Questions

Select a D20 from the die type options and click roll. The result is a cryptographically or pseudo-randomly generated integer between 1 and 20, inclusive.

2d6 means roll two six-sided dice and sum the results. The notation is XdY, where X is the number of dice and Y is the number of sides on each die.

The expected value of a single fair D20 roll is 10.5, calculated as (1 + 20) / 2. Each face has an equal 5 percent probability of landing face up.

Dice Roller & Coin Flip - Free Online Random Generator | ToolsCanvas