Online Dice

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dice.onl / reading department

📚 Dice guides, probability and weird things

Useful explanations for players, curious people and anyone who has ever looked at a D30 and wondered who approved it.

🏺A Short History of DiceFrom knucklebones and ancient cubes to the plastic polyhedral set on a modern game table.Read article →7️⃣Why Do Opposite Sides of a D6 Add Up to 7?Why 1 faces 6, 2 faces 5 and 3 faces 4 on a standard six-sided die.Read article →📈1d12 vs 2d6: Same Maximum, Very Different RandomnessBoth can hit 12, but one is flat and the other strongly prefers the middle.Read article →🎯Why Is 7 the Most Common Result With 2d6?A tiny probability lesson you can verify with two ordinary dice.Read article →⚖️Can a Die Actually Be Fair?What "fair" means for a die, and what real materials do to an ideal probability.Read article →✍️Dice Notation Explained: d20, 2d6, d100 and 4dFHow to read common dice expressions without pretending it is advanced algebra.Read article →🧩The Weirdest Dice That Actually Make SenseD3, D5, D7, D24, D30, D100 and other shapes that make a cube look conservative.Read article →🦴Before Dice Were DiceKnucklebones, sticks, shells and the older habit of turning uncertain objects into outcomes.Read article →🗂️Random Tables Are Tiny Generative SystemsWhy a list plus a die can generate characters, rooms, weather, rumors and whole little worlds.Read article →🧠What Can You Use Dice For Besides Games?Writing prompts, classroom examples, chores, experiments and decisions too small for a committee.Read article →⚔️How the D20 Became the Symbol of Tabletop RPGsWhy a twenty-sided die now communicates "RPG" even before anyone opens a rulebook.Read article →🪙When Should You Let a Die Make the Decision?Randomness is excellent for ties and low-stakes choices, and terrible at knowing what matters to you.Read article →

🍜 Less necessary research

These are still functional pages. They are simply less likely to appear on an exam.