Spinvolta

Roll the dice

How to roll dice online

  1. Tap dice to add them to the tray, or type dice notation such as 3d6, 1d20+5 or 4d6kh3.

  2. Press Roll (or Space). The dice tumble with real physics and settle on fair results.

  3. Check the total and history, and save rolls you use often.

Dice notation cheat sheet

  • d20 — one twenty-sided die
  • 2d6+3 — two six-sided dice plus three
  • 4d6kh3 — roll four, keep the highest three
  • 2d20kl1 — roll two, keep the lowest (disadvantage)
  • 1d20 adv / 1d20 dis — advantage and disadvantage
  • d% — percentile die (1–100)

Physics for feel, fairness from code

Every result is drawn with a cryptographically secure generator first. The dice are then simulated with real physics and their faces are oriented so the visible face matches the fair result.

Frequently asked questions

Are the dice fair?

Yes. Each die is a uniform random draw; the physics never changes the number.

Can I roll custom dice?

Yes, any number of sides from 2 to 1000 with notation like d7 or 3d30.