🎲 Dice Roller
Roll virtual dice online instantly. Choose the number of dice and sides, see every individual result, and get the total automatically.
🎲 Online Virtual Dice Roller
Select how many dice you want to roll and how many sides each die should have. Then click Roll Dice to generate your random results.
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Free Online Dice Roller
Our free Dice Roller is a simple virtual dice generator for games, probability experiments, tabletop activities, classroom exercises, random selections, and everyday situations where you need a quick dice roll.
Choose the number of dice and the number of sides on each die. The calculator instantly generates an individual result for every die and adds the results together to show the total.
How to Use the Dice Roller
- Enter the number of dice you want to roll.
- Select the number of sides for each die.
- Choose a custom number of sides if required.
- Click Roll Dice.
- View each individual dice result and the combined total.
For example, selecting two six-sided dice creates a standard 2d6 roll. Each die can produce a value from 1 through 6, and the total is the sum of both results.
What Is a Dice Roller?
A dice roller is a digital tool that simulates the outcome of rolling one or more physical dice. A standard six-sided die, commonly called a D6, has six possible outcomes: 1, 2, 3, 4, 5, and 6.
Digital dice can also represent other common dice such as D4, D8, D10, D12, D20, and D100. These are widely used in board games, tabletop role-playing games, probability demonstrations, and random-selection activities.
Dice Roller Formula
For a fair die with N sides, every face has an equal theoretical probability:
Probability of one specific face = 1 ÷ N
For a standard six-sided die:
1 ÷ 6 = 16.67%
This means each individual face of a fair D6 has a theoretical probability of approximately 16.67% on each roll.
Common Dice Types
| Dice | Sides | Possible Results | Probability of Each Face |
|---|---|---|---|
| D4 | 4 | 1–4 | 25% |
| D6 | 6 | 1–6 | 16.67% |
| D8 | 8 | 1–8 | 12.5% |
| D10 | 10 | 1–10 | 10% |
| D12 | 12 | 1–12 | 8.33% |
| D20 | 20 | 1–20 | 5% |
| D100 | 100 | 1–100 | 1% |
What Does 2d6 Mean?
Dice notation is commonly used to describe a dice roll. The first number represents how many dice are rolled, while the second number represents the number of sides on each die.
Therefore:
- 1d6 = one six-sided die
- 2d6 = two six-sided dice
- 3d6 = three six-sided dice
- 1d20 = one twenty-sided die
- 2d20 = two twenty-sided dice
Probability When Rolling Two Dice
When two standard six-sided dice are rolled, there are 36 possible ordered combinations. The total can range from 2 to 12.
The middle totals can be produced in more combinations than the extreme totals. For example, a total of 7 can be made in six ways: 1+6, 2+5, 3+4, 4+3, 5+2, and 6+1. Therefore, 7 has a theoretical probability of 6/36, or about 16.67%.
| 2D6 Total | Ways to Roll | Probability |
|---|---|---|
| 2 | 1 | 2.78% |
| 3 | 2 | 5.56% |
| 4 | 3 | 8.33% |
| 5 | 4 | 11.11% |
| 6 | 5 | 13.89% |
| 7 | 6 | 16.67% |
| 8 | 5 | 13.89% |
| 9 | 4 | 11.11% |
| 10 | 3 | 8.33% |
| 11 | 2 | 5.56% |
| 12 | 1 | 2.78% |
Virtual Dice for Games
A virtual dice roller is useful when physical dice are not available. It can be used for board games, tabletop RPGs, classroom probability demonstrations, random challenges, game development, and simple decision-making activities.
You can use the calculator for common dice such as D6 and D20, or select custom sides for less common random dice requirements.
Are Dice Rolls Random?
A digital dice roller uses computer-generated randomness to select an outcome within the available range. For a fair six-sided simulation, the intended theoretical outcomes are 1 through 6 with equal probability.
Like physical dice, individual results are unpredictable. A short sequence of rolls may contain repeated numbers or uneven results; this does not mean that the next roll is affected by previous results.
Dice Roller FAQs
It can be used for board games, tabletop RPGs, probability exercises, classroom demonstrations, random selections, and other activities requiring dice results.
A D6 is a six-sided die with possible results from 1 through 6. It is the familiar standard dice used in many games.
A D20 is a twenty-sided die with possible results from 1 through 20. It is commonly associated with tabletop role-playing games.
On a fair six-sided die, the theoretical probability of rolling any specific face, including 6, is 1/6 or approximately 16.67%.
The highest total depends on the number of dice and sides. For example, five D6 dice have a maximum total of 30.
Yes. Select Custom and enter the number of sides you need. The calculator supports custom dice from 2 to 1,000 sides.