DICE PROBABILITY, MADE CLEAR
Know your odds.
Make your next move.
Build a roll, understand the result, and compare what changes.
No account. Your rules stay in your browser.
Set up your roll
Your odds
ReadyChoose a rule and calculate its odds.
Your saved setups
Stored on this browser. Use a link to take a setup with you.
A little clarity goes a long way.
01 / READ THE RESULT
“At least” is different from “exactly”.
Choose the event you actually care about.
02 / CHECK THE RULEKeep dice or repeat the whole roll?
Similar wording can give very different odds.
03 / TRUST THE MATHSee the assumptions behind the answer.
Understand precision, limits, and exploding dice.