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.
One entry per line. 12 entries on the wheel.
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 |
|---|---|
| Chance per slice, per spin | 1 in 12 (8.3%) |
| Chance of a given slice in 10 spins | 58.1% |
| Category | Number wheels |
| Randomness source | crypto.getRandomValues, tested |
| Last updated |
About the Numbers 1 to 12 Wheel
This wheel comes pre filled and ready to spin. Give it a whirl as is, or edit the entries in the box to make it your own. Every slice has equal odds, so the result is fair each and every time. When the wheel stops, the pointer at the top marks the winning slice.
Nothing you spin is uploaded anywhere. The Numbers 1 to 12 Wheel runs entirely in your browser, and you can save your edits to your own device. When you want your visitors to spin the same wheel, copy the embed code under the wheel and drop it onto your page.
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.
The odds on this wheel
There are 12 slices, all the same size, so a given slice wins one spin with probability 1 ÷ 12 = 8.3%. Every spin is independent of the one before it, which means no result is ever due: after ten spins without a particular slice, the chance on the eleventh is still 8.3%.
Across several spins the maths follows the complement rule. The chance of a given slice coming up at least oncein ten spins is 1 − (1 − 1/12)10 = 58.1%. Edit the entry list and every figure here recomputes, because they are derived from the wheel rather than written down beside it.
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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