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The Weighted Wheel, Explained

By My Wheel Name TeamUpdated July 25, 20265 min read

By default a spinning wheel is democratic. Every entry gets one segment and one equal chance. Weights are how you deliberately break that equality, making some outcomes more likely than others, visibly and by exactly the amount you choose.

Used well, weights solve real problems an equal wheel can't: raffle entrants who earned extra tickets, chores that should lean toward whoever has skipped them, practice drills that should favour the questions you keep getting wrong. Used carelessly, they quietly turn a fair wheel into a rigged one. This guide covers both the maths and the manners.

What a weight actually is

Every entry on the wheel has a weight, which starts at 1. The weight controls on each entry let you raise it, lower it, or reset it to the default. An entry's probability of winning is its weight divided by the total of all weights, and that's the entire mechanism. There's no hidden adjustment beyond it.

Worked example. Four names, Amy, Ben, Cleo and Dan, all at weight 1. Each has a one in four chance, so 25%. Now set Amy's weight to 3. The total weight becomes 3 plus 1 plus 1 plus 1, which is 6.

Amy's chance is 3 divided by 6, so 50%, and Ben, Cleo and Dan each drop to 1 in 6, about 16.7%. Amy at weight 3 behaves exactly as if her name were written on three of six raffle tickets.

Three legitimate uses

  • Earned entries. A giveaway gives one entry per purchase, so instead of adding Sam to the wheel four times, add Sam once at weight 4. The wheel stays readable, the odds are identical, and when Sam wins and is removed, all four of his tickets leave at once, which is exactly what you want.
  • Fairness debt. The chores wheel keeps landing on whoever happens to be unlucky. Some households flip that: whoever did the chore last gets their weight dropped for a week, or whoever has dodged it longest gets a raised weight. The wheel stays random and the odds carry the memory.
  • Practice that targets weakness. Building a study or training wheel? Weight the topics you keep failing at 3 and the comfortable ones at 1. Random order keeps the practice honest, and the weighting makes it efficient.

Handicaps and house rules

Games are the most playful use of weights. A veteran player against a beginner doesn't have to be an even contest. Weight the beginner's favourable outcomes higher and you've built a handicap system, the same way golf strokes or chess time odds work.

The wheel makes the handicap explicit, since everyone can inspect the weights before the spin, and that's what separates a handicap from a hustle. Some game night hosts run a comeback rule, where whoever is in last place gets an extra point of weight on every prize spin until they win something.

When weighting crosses the line

The test is simple. Would the people spinning accept the weights if they could see them? On My Wheel Name they can see them, because each entry's weight controls sit right on the entry, so the honest move is to set weights before the group is watching and say what they are.

The dishonest move is announcing a fair draw while quietly tripling one name. The wheel won't stop you, but your audience eventually will. If you run public draws, treat disclosed weights as part of the rules: one entry per purchase, weights shown on the wheel.

One more subtle case is weighting to force an outcome. Set one entry's weight to 99 and the wheel becomes theatre, though there are kinder versions of theatre. A surprise reveal wheel for a party, where every segment secretly says yes, is a fine gag. A rigged raffle isn't. If you don't intend randomness, don't dress the decision up as random.

Seeing weights work in two minutes

Convince yourself, or a sceptical class

  1. Build a tiny wheel: Two entries: Red at weight 3 and Blue at weight 1. Red should win about 75% of the time.
  2. Spin 20 times: Keep Allow Duplicates on so entries stay put, and tally the results. The spin history panel keeps the record for you, grouped by date.
  3. Compare to expectation: Twenty spins is a small sample, so expect something near 15 reds rather than exactly 15. Run it to 60 and the ratio tightens toward 3 to 1. That gap between short run noise and long run convergence is the entire lesson of probability, on one wheel.

Teachers, this experiment is a ready made statistics lesson. Students predict the distribution, run the trial, and confront the difference between expected and observed frequency, using apparatus they can inspect, since the weights are visible on each entry.

Practical notes

  • Weights interact cleanly with the winner options. Remove Winners takes the whole weighted entry off the wheel when it wins, and elimination mode respects weights on every spin of the sequence.
  • Reset is one tap. Each entry's weight controls include a reset back to 1, so you can normalise the wheel after a special draw without rebuilding it.
  • Save weighted setups. A handicapped game wheel or a weighted raffle is exactly the kind of configuration worth saving to My Wheels. Set it up once, reuse it weekly, and share the link so the group can verify the weights themselves.
  • Segment size reflects weight. An entry at weight 3 draws a proportionally larger slice, so the wheel itself is the disclosure and anyone watching can see which entries carry extra chances.

Weights are the difference between a wheel that ignores history and a wheel that carries it. Equal odds are right most of the time, but when they aren't, three taps on a weight control beat every workaround, and the slice sizes keep you honest.

Questions, answered

What does the default weight of 1 mean?

Weight 1 means one ticket in the pool. If all entries are at weight 1, every entry has an equal chance and the wheel behaves as a standard fair picker. Probability is always an entry's weight divided by the sum of all weights.

Is a weighted spin still random?

Yes. The spin still uses the browser's cryptographic random source, so weights change the odds rather than the randomness. An entry at weight 3 wins three times as often as one at weight 1 over many spins, but any individual spin remains unpredictable.

Should I duplicate a name or raise its weight?

Raise its weight. Duplicating names clutters the wheel, and if that person wins, the duplicate copies stay behind when the winning entry is removed. One entry at weight 4 reads cleaner and removes cleanly.

Can people see that a wheel is weighted?

Yes, in two ways. Weighted entries draw proportionally larger segments on the wheel, and each entry's weight controls are visible in the entry panel. If you're running a draw for others, disclose the weights as part of your rules.