Dice Roller

Free tool

About the dice roller

This is a free online dice roller. Pick a die — from d4 up to d20, plus d100 — or set your own number of sides. Choose how many dice to roll, add a modifier if you need one, and press Roll. You see every result and the total, and you can copy it. The tool runs in your browser, with no account and nothing to install.

Which dice you can roll

The common dice are ready as one-tap choices: d4, d6, d8, d10, d12, d20, and d100. The d6 is the standard cube you know from board games; the d20 is the workhorse of tabletop role-playing games. For anything else, choose Custom and type the number of sides — a d3, a d30, or a d1000 all work the same way.

Roll many dice at once

Set how many dice you want and roll them together. Each die is rolled on its own, so the results are independent — just like shaking a handful of dice in your hand. The tool shows each value and adds them into a single total, which saves you the mental math during a fast game.

Add a modifier

A modifier is a fixed number added to (or taken from) the total after the dice are rolled. Tabletop games use this all the time: roll 2d6 and add 3 means roll two six-sided dice and add three to the sum. Leave the modifier at zero when you just want the raw dice.

Are the rolls fair

When your browser supports it, each roll draws from the browser secure random source and maps to the faces of the die without bias, so every side is equally likely. Where that is not available, the tool uses the standard pseudo-random generator. For games and casual use this is more than fair enough.

Common uses

People use a dice roller for board games and tabletop role-playing, for quick decisions, for teaching probability, and any time real dice are not at hand. Because the roll happens on your device, you can play from a phone or laptop without carrying physical dice, and nothing you do is sent away.

Reading the result

For a single die with no modifier, the tool shows one large number. For several dice, or when a modifier is set, each die appears as its own value and the total is shown below. The Copy button puts the dice and the total on your clipboard, ready to paste into a sheet or a chat.

Related tools

For a simple two-way call, the coin flip is faster than a die. To pick one option from a list you type in, use spin the wheel. For a plain decision with no numbers at all, try yes or no. You can see the full set on the tools page.

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