HandyWheel

Online Dice Roller

Pick how many dice and how many sides, then roll.

Press Roll

What is an online dice roller?

An online dice roller rolls virtual dice for you. Choose how many dice you need and how many sides they have, press Roll, and you see each die and the total. It covers the standard tabletop dice: d4, d6, d8, d10, d12, d20 and d100. So it works both for family board games and for role-playing games like Dungeons & Dragons.

How to roll

  1. Number of dice: choose from 1 to 10.
  2. Sides: choose the type of die. “d6” means a six-sided die, “d20” a twenty-sided one, and so on.
  3. Press Roll. Six-sided dice show classic pips; other dice show the number rolled.
  4. The line underneath shows the roll in dice notation, for example 3d6: 4 + 2 + 6 = 12, with the total worked out for you.

Fullscreen: press Fullscreen at the top of the tool to show the dice and total large, for board-game nights on a TV or tabletop games on stream. Press Esc to go back. With 🎨 Colors & effects you can set your own background and button colors (or a green screen for streaming) and choose whether the result is shown big with fireworks.

How fair are virtual dice?

Every face of every die has exactly the same chance. Each roll comes from your browser's cryptographically secure random number generator, which uses a method that avoids even tiny biases. Physical dice are rarely perfect: cheap dice can have uneven edges, air bubbles or hollowed-out pips that make some faces come up a little more often. Virtual dice cannot wear out, be loaded, or be thrown “softly”.

Understanding dice odds

With one die, every number is equally likely: each face of a d6 has a 1 in 6 chance. With two or more dice, the totals are not equally likely, because some totals can be made in more ways. With 2d6:

  • 7 is the most common total. It can be made 6 ways (1+6, 2+5, 3+4, 4+3, 5+2, 6+1), so it comes up 6 times in 36, about 17% of the time.
  • 2 and 12 are the rarest. Each can be made only one way, so they come up 1 time in 36, under 3%.

This is why the robber in Catan moves on a 7, and why middle totals come up much more often than extremes. The average roll of one die is (lowest + highest) ÷ 2, so 3.5 on a d6 and 10.5 on a d20.

When to use the dice roller

  • Board games: Lost or missing dice for Monopoly, Yahtzee, Ludo, Backgammon or Catan? Set the right number of d6 and play.
  • Role-playing games: Use d20 for attacks, saving throws and skill checks, and several dice for damage, like 2d6 for a greatsword or 8d6 for a fireball. Roll 2d20 for advantage and keep the higher result.
  • Classrooms: Practise addition with 2 or 3 dice, or roll many times and record the results to show how probability works.
  • Quick decisions: Number your options from 1 to 6 and roll a d6 to choose.

Need a range that dice do not cover, like 1 to 37? Use the random number generator. For a quick 50/50, there is the coin flip.

Frequently asked questions

Which dice can I roll?

Standard polyhedral dice: d4, d6, d8, d10, d12, d20 and d100. You can roll up to ten at once and see each result plus the total.

Is the virtual dice roller fair?

Yes. Every face has exactly the same probability, drawn with your browser's cryptographically secure random generator. Physical dice can be slightly unbalanced; these can't.

Can I use it for Dungeons & Dragons?

Yes. Choose d20 for attack rolls and checks, or set several dice (for example 2d6 or 8d6) for damage rolls. The total is shown automatically.

Can I show the dice fullscreen on a TV?

Yes. Press “Fullscreen” at the top of the tool and the dice, total and Roll button fill the screen, so the whole table can see every roll. Press Esc or “Exit fullscreen” to go back.

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