Probability

Dice Lab

Roll dice, choose any event, and compare your results with the exact probability. Start with a common question or build your own.

Set up

Quick start

Dice

Sides on each die

Event to watch

The sum is

Value

and

Count dice whose number is

Value

Rule

How many dice

The highest die is

Value

How likely each total is. When the event is about the sum, matching totals are brighter.

Your rolls Exact probability