DnD Dice Tools
Roll polyhedral dice, check exact probabilities, or flip a coin — online dice tools for DnD and tabletop RPGs. No account required.
DnD Dice Roller
Roll d4–d20 and d% with modifiers, advantage, disadvantage, multi-line setups, and a full roll log.
DnD Dice Calculator
Exact probabilities: expected damage vs AC, save-for-half, advantage comparison, and outcome curves.
DnD Coin Flip Simulator
Fair heads or tails — flip one coin or many, track history and odds, then jump into polyhedral rolls.
Learn more — D&D dice guides
New to polyhedral dice, or upgrading your set? These guides pair with the roller and calculator above.