Dice probability calculator
Set the number of dice, the number of sides and a target total. The calculator works out every possible combin…
2d6 probability
Two six-sided dice give 36 equally likely outcomes. Here is the complete 2d6 distribution, plus a calculator f…
D100 roller
Roll a virtual 100-sided die instantly. Uses your browser's cryptographic random generator, supports multiple …
10-sided dice roller
A clean d10 roller for tabletop games, percentile pairs and dice pools. Add as many dice as you need and the t…
DnD dice roller
Every polyhedral die in one roller. Choose the die type, the number of dice and a modifier, then roll — the to…
Percentile dice roller
Percentile dice answer one question: did you roll under your target percentage? Roll below and compare against…
Craps odds calculator
Every craps bet has a fixed house edge. Enter your bankroll, bet size and number of bets to see the expected c…
Dice roller with friends
Roll up to eight dice at once for a group game — then, if you want everyone rolling against the same result at…
Which tool do you need?
- Working out odds — the dice probability calculator handles any number of dice and sides; 2d6 probability covers the standard two-dice table.
- Tabletop play — the DnD dice roller covers the full polyhedral set, with dedicated d100, d10 and percentile rollers.
- Casino maths — the craps odds calculator shows the true cost of every bet on the layout.
- Group games — roll dice with friends, or open a live table where everyone sees the same verifiable roll.
Looking for rules instead?
Our dice game rules library covers Cee-lo, Farkle, Liar's Dice, Ship Captain Crew, Left Right Center and more — full scoring tables and variants for each.