Items (3/12)
Weight: 1~1000 (higher = more likely)
🎰 What is Roulette Selector?
Roulette Selector is a visually engaging tool that randomly picks one option from your list of choices. Add up to 12 items and watch the colorful wheel spin with smooth animation until it lands on a winner. You can set weights (1~1000) for each item to precisely control the winning probability. Perfect for lunch decisions, duty assignments, prize draws, presentation order, and more.
Weight Examples
| Situation | Setup Example | Effect |
|---|---|---|
| Prize Draw | 1st(1), 2nd(3), 3rd(6) | Lower prizes more frequent |
| Preferences | Favorite(5), Dislike(1) | Favorites win more often |
| Soft Penalties | Skip(8), Light(5), Hard(1) | Hard penalties rarely occur |
| Fair Draw | All items weight 1 | Equal probability (default) |
Tips
- Higher weight means larger pie slice and higher winning probability
- The (%) next to weight shows actual winning probability
- For equal chances, set all items to the same weight
- Minimum 2, maximum 12 items can be added
Frequently Asked Questions
How does the weight system work?▼
Weight determines the relative probability of each item winning. For example, if A has weight 2 and B has weight 1, A wins about 67% of the time and B wins about 33%.
How do I make it equal probability?▼
Set all items to the same weight (e.g., all 1). With N items, each will have exactly 1/N probability.
Why is the weight range 1~1000?▼
The wide range allows for precise probability control. For example, to express 0.1% probability, you can set a 1:999 ratio.
What is Roulette Wheel Spinner?
Create a customizable spinning wheel with your own options. Spin to randomly select a winner. Great for giveaways, classroom activities, games, or making random decisions.