Numbers 1 to 12 Wheel
Spin to land on a random number from 1 to 12, each with an equal one in twelve chance. The dozen-sized draw: clock hours, months by number, and d12 games.
Fair by design: each spin draws from your browser’s cryptographic random number generator, giving every entry an equal 1-in-12 chance. No server is involved.
12 entries on the wheel, up to 500.
Every entry has an equal 1-in-12 chance. Write "1 *3" to make an entry three times as likely.
The entries travel in the part of the link after the #, which browsers never send to a server. Nobody, including us, can read a shared wheel from a log.
Please keep the attribution link on the last line. It is the only thing we ask in return, and it is what pays for the wheel being free.
Numbers 1 to 12 Wheel at a glance
| Slices | 12, 30° each |
|---|---|
| Chance per slice, per spin | 1 in 12 (8.3%) |
| Chance of a given slice in 10 spins | 58.1% |
| A repeat becomes likely by | Spin 5 |
| Average spins to see every slice | 37 |
| Category | Number wheels |
| Randomness source | crypto.getRandomValues, tested |
| Last updated |
When to spin the Numbers 1 to 12 Wheel
Twelve-way picks hide everywhere once you look. A clock face has twelve hours, so the wheel can pick a random hour for a challenge or a photo prompt. The year has twelve months, so spinning a number doubles as a month draw for people who think in numbers rather than names, and the months wheel exists for those who prefer the words. Multiplication tables run to twelve in most classrooms, and a spin makes a fine random times-table question: spin twice and multiply the two results. Tabletop players know twelve as the d12, the greataxe die, and this wheel matches its odds exactly at one in twelve per face. Every spin draws from the same tested random source as the rest of the site, each number at about 8.3 percent, with no memory between spins. Trim the list for a smaller dozen or step up to the one to twenty wheel when the range needs to grow.
12 slices: odds, streaks and repeats
Each of the 12 slices wins a spin 1 in 12, or 8.3%. That sounds rare, yet repeats arrive early: by spin 5 the chance that some number has already come up twice passes 50%, the same maths as the birthday problem. Landing on every one of them, from 1 to 12, takes about 37 spins on average, which is why a no-repeat round is the quicker way to work through the whole list.
Tips for spinning it in front of a group
- With 12 slices of 30° each, the numbers print large enough to read from the back of a room. Press Present for a full-screen wheel: Space or Enter spins and Esc returns to the page.
- Tick Remove after pick and each winner leaves the wheel: 12 spins work through all 12 numbers with none drawn twice, and Reset round puts 1 and the rest back.
- For a handicap in a family game, write "7 *2": 7 then lands 15.4% of the time against 7.7% for each other slice.
Frequently asked questions
What comes in twelves that this wheel can pick?
Clock hours, months by number, multiplication tables up to twelve, and the d12 from tabletop games. One spin gives each of the twelve numbers an equal 1 in 12 chance.
Can I use the 1 to 12 wheel for times-table practice?
Yes, spin twice and multiply the two results for a random times-table question, or spin once against a fixed number. The random order stops students predicting what comes next.
Is this the same as rolling a d12?
The odds match exactly: one in twelve per number, about 8.3%. Tabletop players who need several dice and running totals can use the dedicated d12 roller instead.
Put this wheel on your own site
One line of HTML. No tracking, no cookies, and it works on any page. The embed code sits under the wheel above, and the embed guide has a copy-paste block for WordPress, Google Sites, Notion, Moodle, Canvas and OBS.
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