Dice Roller
Last updated: June 2026 · Free · No sign-up required
Roll the dice to start tracking history.
Frequently Asked Questions
How is the random result generated for the virtual dice?
The dice roller pulls values using the Web Crypto API (crypto.getRandomValues), providing cryptographically secure and completely unbiased numbers between 1 and 6 for each die.
How many dice can I roll at the same time?
You can roll between 1 and 10 standard six-sided dice simultaneously, with the total sum calculated automatically.
Can I use this virtual dice roller offline?
Yes, once loaded, all dice generation and animation scripts run fully inside your browser without needing a server connection.
Quick reference
| Roll | Probability on one d6 |
|---|---|
| Any exact number | 1/6 = 16.67% |
| Even number | 3/6 = 50% |
| Greater than 4 | 2/6 = 33.33% |
| Not 1 | 5/6 = 83.33% |
edit_note What you need
Have your numbers ready before you start. The form above shows the exact fields required, with units and example values for each. Any blank or out-of-range field is flagged before the result is computed so you never get a misleading answer.
function How it computes
The dice roller applies the published reference formula and rounds the result to a useful precision. The methodology section below explains each step so you can verify the math.
verified Trusted source
Reference values and constants come from an authoritative source. Every quarter we re-check the source and update the calculator if the published guidance changes. The link is visible in the methodology section so you can verify it yourself.
tips_and_updates Read it like this
Read the headline number first, then open the breakdown card to see how each input contributed. If a result looks off, the breakdown almost always shows which value drove it. Adjust that input and recalculate — the answer updates instantly.
Interpretation guide
| Dice setup | Total outcomes |
|---|---|
| 1d6 | 6 |
| 2d6 | 36 |
| 3d6 | 216 |
Formula & methodology
Formula: Probability = favorable outcomes ÷ total outcomes
Each fair die face has equal probability. Multiple dice multiply the number of possible outcomes, making totals near the middle more common than extremes.