Dice Roller

Advanced Dice Roller

Cast your fate! Simulate rolls for various dice types, with modifiers.

Let the Dice Fall: A Virtual Dice Roller

From ancient board games to modern tabletop role-playing games (RPGs) like Dungeons & Dragons, dice have been the primary tool for generating randomness and determining outcomes. A dice roll introduces an element of chance that makes games exciting and unpredictable. This virtual dice roller is a simple tool designed to simulate the roll of one or more dice of any size. Whether you've lost your physical dice, need a specific type of die you don't own (like a D20), or want to perform a large number of rolls quickly for a statistical experiment, this tool has you covered.

The calculator allows you to specify the number of dice you want to roll and the number of sides on each die. It then uses a pseudorandom number generator to produce an outcome for each die, displays the individual results, and provides the sum of the rolls. It's a quick, convenient, and fair way to get a random result for any situation that requires it.

Frequently Asked Questions

What are the standard types of dice?

The standard set of polyhedral dice used in many role-playing games includes the D4 (4-sided), D6 (6-sided cube), D8 (8-sided), D10 (10-sided), D12 (12-sided), and D20 (20-sided).

Is a digital dice roller truly random?

Like most computer software, this tool uses a pseudorandom number generator (PRNG). This is an algorithm that produces a sequence of numbers that is statistically random and unpredictable for all practical purposes, even though the sequence is technically deterministic. For tabletop gaming, it is more than sufficiently random.

What is a 'D100' or percentile roll?

A D100 roll, also called a percentile roll, is used to get a random number between 1 and 100. It is typically simulated by rolling two 10-sided dice, with one die representing the 'tens' digit and the other representing the 'ones' digit.

What does '3d6' mean in dice notation?

This is a standard notation in RPGs. The first number tells you how many dice to roll, and the second number tells you how many sides the die has. So, '3d6' means 'roll three 6-sided dice and add the results together'.

Are all physical dice fair?

Most commercially produced dice are fair enough for casual gaming. However, casino dice are manufactured to extremely high tolerances to ensure they are perfectly balanced and fair. Cheap or poorly made dice can sometimes have slight biases.

What is the probability of rolling a '20' on a d20?

For a fair 20-sided die, each face has an equal probability of landing up. Therefore, the probability of rolling any specific number, including a 20, is 1 in 20, or 5%.