What is a dice roller tool?
A dice roller is a 3D animated tool that simulates rolling one or more polyhedral dice with any standard number of sides β d4, d6, d8, d10, d12, d20, or d100. It is designed for tabletop gamers, probability students, and anyone who needs quick, fair random rolls without physical dice.
The tool renders each die as a realistic 3D object that tumbles and lands on the correct face, so the roll feels visually satisfying and easy to read at a glance. You can roll up to 5 dice at once, and each die result is shown individually alongside the total.
Roll history is saved locally in your browser, so you can review your last 10 rolls across sessions without needing to write anything down. Use the copy button to grab formatted results (e.g. "π² 3d6 = 4 + 5 + 3 = 12") for pasting into chat, notes, or a VTT.
When should you use the Dice Roller?
Use the dice roller during tabletop RPG sessions to resolve attacks, skill checks, saving throws, and other chance-based actions. The d20 button is one click away for D&D ability checks and saving throws.
Use it for board games that require dice rolls, especially when you donβt have the right physical dice available. The slider lets you set 1β5 dice and the button grid covers every standard polyhedral type.
Use it for probability experiments, statistics homework, or math practice when you need repeated random rolls. The roll history makes it easy to collect and review multiple outcomes.
Use it to make quick decisions when you want a fair random result with multiple weighted outcomes.
How to use the Dice Roller
Step 1: Set the number of dice using the slider (1 to 5 dice).
Step 2: Choose the number of sides by clicking one of the side buttons (d4, d6, d8, d10, d12, d20, or d100).
Step 3: Click "Roll" and watch the 3D dice animate. Once they land, each die face shows its result and the total is displayed below.
Step 4: Use the copy button to grab a formatted string of your results, or click clear to reset the display. Previous rolls appear in the history section below the controls.
Gaming and probability tips
For D&D and other RPGs, select d20 for ability checks and attack rolls, d6 or d8 for damage, and d100 for percentile checks. All standard polyhedral dice types are available in one click.
To simulate advantage or disadvantage, roll twice and take the higher or lower result accordingly. This tool can simulate those mechanics quickly.
Use the roll history to track outcomes over multiple rounds. Seeing your last several rolls in one place helps with strategy and bookkeeping.
Remember that each roll is independent. A streak of high or low rolls is normal, so avoid assuming patterns in random outcomes.
Related tools
Coin Flipper: Use the coin flipper for binary decisions in games or when a simple yes/no outcome is needed.
Timer & Stopwatch: Keep game rounds and timed activities on track with the timer while you roll dice for actions.
Random Name Generator: Generate character or NPC names for your tabletop campaigns and role-playing sessions.