What is the Dice Roller?
Roll one or more dice. Press Calculate to roll again.
Enter number of dice and sides per die and the Dice Roller returns total and rolls. Results update as you type, and nothing you enter leaves your device.
How it is calculated
Each die shows a whole number from 1 to its number of sides with equal probability
How to use it
- Enter number of dice.
- Enter sides per die.
- Read total in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Dice Roller use?
It uses: Each die shows a whole number from 1 to its number of sides with equal probability.
What do I need to use the Dice Roller?
You need number of dice and sides per die. Sensible starting values are filled in so you can see how it works straight away.
Is the Dice Roller free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.