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Weighted Decision Wheel – Spin With Custom Odds Free

Spin the free weighted decision wheel and set custom odds so some options win more often than others. Adjustable percentages, no sign-up — fair, weighted results.

Pre-built Weighted Matrices & Use Cases

Choose a ready-made matrix and start spinning immediately.

How Mathematical Weight Shifts Your Decisions

Weights change slice size and probability. Higher weights do not guarantee a win every spin—they increase the chance over many spins.

OptionWeightNormalized chance
Option 140.0%
Option 230.0%
Option 320.0%
Option 410.0%

Planning a purchase? Weight your spending decisions with the Should I Buy It wheel.

Spin a wheel where some options win more#

The weighted decision wheel lets you decide how likely each option is before you spin. Give one choice a bigger slice and it comes up more often; shrink another and it rarely lands. You still leave the final result to chance — you're just stacking the odds the way real decisions actually work, where not every option deserves an equal shot.

How the weighted decision wheel works#

  1. Add your options, one per line.
  2. Give each one a weight or percentage — bigger numbers mean a bigger slice and better odds.
  3. Spin. The wheel lands on one option, with each option's chance matching its weight.

No account, no download, nothing saved. Adjust the weights and spin again anytime.

The math behind the weighting#

This is really just probability made visual. Each option's chance equals its weight divided by the total of all weights — so an option set to 30 out of a total of 100 lands roughly 30% of the time. That's why people search for a probability wheel or probability spinner: it turns abstract percentages into a slice you can see and a result you can spin. The bigger the slice, the better the odds, but nothing is ever guaranteed.

When even odds aren't what you want#

A plain fifty-fifty isn't always fair. Weighting earns its keep when:

  • Giveaways with bonus entries: Reward shares or referrals with extra weight instead of pasting a name five times. The random winner generator pairs well for the final draw.
  • Prioritizing options: Let your top choice carry more weight while still leaving room for a surprise.
  • Games and loot: Make rare outcomes rare and common ones common, just like real drop rates.
  • Group decisions: Give some voices a bigger say without removing chance entirely.

Is a weighted wheel still fair — or rigged?#

This trips people up, so here's the distinction: a weighted wheel is transparent, while a rigged one is hidden. With weighting, everyone can see the slices and knows the odds upfront — that's fair, because the rules are visible. "Rigged" only applies when odds are tampered with secretly. As long as your weights are out in the open, a weighted spin is every bit as legitimate as an even one.

When you want a true 50/50 instead#

If every option really should have the same chance, you don't need weights at all — the yes or no wheel gives a clean even spin. For more on why nudging the odds often beats a coin toss, see how to make a weighted decision and why weighted decisions beat a 50-50 toss.

Leo Voss

Leo Voss

Leo Voss is a game developer focused on randomness, probability, and replayable systems, creating fast-paced games where chance drives tension, variety, and smart strategy.

Frequently Asked Questions

How does a weighted decision wheel work?

You assign each option a weight or percentage, and the wheel gives it a slice that size. Bigger slices win more often. Each option's chance equals its weight divided by the total of all weights.

How do I set the odds or percentages?

Just enter a number for each option. The wheel turns those numbers into proportional slices, so setting one option to twice another's number makes it twice as likely to land.

Is the weighted decision wheel free, and is anything saved?

It's completely free with no sign-up, and nothing is stored. Your options and weights stay in your browser and clear when you close the page.

Is a weighted wheel still random?

Yes — the outcome is always left to chance. Weighting only changes how likely each option is, not whether the result is random.

Is using weights the same as rigging the wheel?

No. Weighting is transparent — everyone sees the slices and knows the odds. Rigging means changing odds in secret. An open, weighted spin is completely fair.

Can I use it for a giveaway with bonus entries?

Yes — give entrants who shared or referred a bigger weight, so their better odds match the rules without duplicating their names.

What's the difference between this and the yes or no wheel?

The yes or no wheel is a fixed fifty-fifty. The weighted decision wheel lets you set unequal odds across two or more options.

How many options can I weight?

As many as you need — add several choices, give each its own weight, and the wheel balances all the slices for you.

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