Roll virtual dice with customizable sides and quantity.
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A digital dice roller simulates physical dice rolls for games, decision-making, probability studies, and entertainment. Whether you need standard 6-sided dice or specialized polyhedral dice for tabletop RPGs, this tool provides instant results with full customization. Roll single dice or multiple dice simultaneously, and instantly see individual results plus total sum.
Dice are physical randomizers used in countless applications. Key aspects of dice and rolling include:
| Dice Type | Sides | Range | Common Use |
|---|---|---|---|
| 4-Sided (Tetrahedron) | 4 | 1-4 | Wargames, probability teaching |
| 6-Sided (Cube) | 6 | 1-6 | Board games, standard games worldwide |
| 8-Sided (Octahedron) | 8 | 1-8 | Tabletop RPGs, advanced games |
| 10-Sided (Pentagonal) | 10 | 0-9 | Percentile games, D&D variants |
| 12-Sided (Dodecahedron) | 12 | 1-12 | Advanced RPGs, specialized games |
| 20-Sided (Icosahedron) | 20 | 1-20 | D&D, critical role gaming |
Tabletop RPGs: Dungeons & Dragons, Pathfinder, and similar games rely on dice for combat resolution, skill checks, and random encounters. Different dice types represent different game mechanics and difficulty levels.
Board Games: Classic board games use dice to move game pieces randomly and fairly, adding uncertainty and preventing predictable outcomes.
Fair Decision Making: Use dice rolls to make random group decisions without bias - assigning tasks, choosing teams, or settling disputes.
Probability Learning: Students use dice rolls to understand probability concepts, expected values, and statistical distributions through hands-on experimentation.
Gambling & Wagering: Dice form the basis of craps, sic bo, and other games combining luck with strategy.
Random Sampling: Researchers use dice-based methods to randomly select samples for studies.
Entertainment: Online gaming, streaming, and entertainment often use dice for dramatic moments and audience engagement.
Single Die (d6): Each outcome (1-6) has 16.67% probability. Perfectly uniform distribution.
Two Dice (2d6): Most likely result is 7 (16.67%), least likely are 2 and 12 (2.78% each). Creates bell-curve distribution.
Three Dice (3d6): Most likely result around 10-11. Increasingly bell-shaped distribution. Range 3-18.
Higher quantities: More dice create sharper bell curve centered on expected value. With 4+ dice, outcome approaches normal distribution.
| Game Scenario | Dice Setup | Typical Use |
|---|---|---|
| Turn Order | 1d6 (or more dice) per player | Highest roll starts, determines play sequence |
| Combat Attack | 1d20 (D&D) | Roll to hit vs enemy defense |
| Damage Roll | Multiple dice (1d6, 2d8, etc.) | Determine hit damage amount |
| Skill Check | 1d20 + modifier | Test character ability vs difficulty |
| Random Encounter | 1d20 or 1d100 | Determine what NPCs or monsters appear |
Yes, this dice roller uses cryptographically secure random number generation. Each roll is independent and unbiased, just like physical dice. All outcomes are equally likely for fair game play.
1d20 has one die with 20 sides (1-20 range). 2d10 means rolling two 10-sided dice separately and adding results (0-20 range). Probability distributions differ - 2d10 favors middle values while 1d20 is perfectly uniform.
Absolutely! This dice roller is perfect for online D&D sessions, PBEM games, and virtual tabletop gaming. It provides instant, fair, and unbiased results that all players can trust.
1d6 average: 3.5 | 1d20 average: 10.5 | 2d6 average: 7 | 3d6 average: 10.5. Single dice have uniform distribution; multiple dice trends toward their mathematical average.