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Dice Roller
Roll one or more dice from d4 to d100, add a modifier, or type dice notation such as 2d6+3. Every face is equally likely.
Total
Recent rolls
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Notation: 2d6 two six-sided dice · +3 modifier · kh1/kl1 keep highest/lowest · dl1 drop lowest · d% = d100. Dropped dice are faded.
Also try the Coin Flip, the Random Number Generator or Sudoku.
About the Dice Roller
Roll virtual dice for board games, tabletop role-playing games and classroom probability. Pick the die (d4, d6, d8, d10, d12, d20 or d100), how many to roll and a modifier, or type dice notation for anything else, including keep highest and drop lowest. Each die is rolled with your browser’s secure random number generator, so every face is equally likely. Your last 15 rolls are kept in your browser.
How to use it
- 1 Pick a die and how many to roll, or type dice notation.
- 2 Add a modifier if you need one.
- 3 Press Roll, or press the space bar.
- 4 Read each die and the total; your last rolls are listed below.
Frequently asked questions
Are online dice fair?
These are. Each die uses crypto.getRandomValues with rejection sampling, so every face has exactly the same chance. Physical dice are often slightly unbalanced by their pips or rounded edges.
What dice notation can I use?
NdS rolls N dice with S sides (2d6, d20, d% for d100). Add or subtract numbers and other dice (1d8+1d6+2). Add kh or kl to keep the highest or lowest dice (2d20kh1), or dl and dh to drop them (4d6dl1).
What is the average roll of a die?
Half of the sides plus one: 2.5 for a d4, 3.5 for a d6, 4.5 for a d8, 5.5 for a d10, 6.5 for a d12, 10.5 for a d20 and 50.5 for a d100.
How many dice can I roll at once?
Up to 10 dice with the quick roller, and up to 100 dice in one notation roll.
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