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Random Number Wheel - Spin to Pick a Number
What is the Random Number Wheel?
This number wheel picks a random number from a range you set. Type a minimum and maximum, hit Generate, and the wheel fills with every number in that range. Then spin.
It defaults to 1 through 10, but you can set any range up to 100 numbers. The winner is picked with crypto.getRandomValues() before the animation starts, so the result is genuinely random.
How the range input works
Enter a From number and a To number in the fields above the wheel. Click Generate and the wheel replaces its entries with that range. If you type 1 and 50, you get 50 segments numbered 1 through 50.
The maximum range is 100 numbers. If you need more, you can still add entries manually through the entry panel. After generating, you can also remove specific numbers from the list.
- Set the start and end numbers in the range controls
- Click Generate to populate the wheel
- Hit SPIN to pick a random number
- Remove picked numbers to avoid repeats
When to use a number wheel
Raffle draws at events are the most common use. Set the range to match your ticket numbers, spin, and announce the winner. It's more fun than pulling a number from a hat.
Teachers use it for calling on students. Put seat numbers 1 through 30 on the wheel and spin to pick who answers next. Board game groups use it when they lose the dice. Party hosts use it for door prizes.
Why it's fair
The winning number is selected using the Web Crypto API before the wheel starts spinning. The animation is just for show - it always lands on the pre-selected result. This is the same source of randomness used in cryptographic applications.
Every number in your range has identical probability. The wheel doesn't favor numbers near the top or bottom. You can verify this by spinning a hundred times and checking the history - results distribute evenly over time.
Frequently asked questions
What's the maximum range I can set?
The range input supports up to 100 numbers. You can also add individual numbers manually if you need more than that.
Can I include negative numbers?
Yes. Set the From field to a negative number. For example, -5 to 5 gives you 11 segments from -5 through 5.
Is the result truly random?
Yes. The winner is chosen using crypto.getRandomValues(), the same API used for security-sensitive applications. Every number in range has an equal chance.
Can I remove certain numbers after generating?
Yes. After generating, you can delete any numbers from the entry panel. This is useful if you want a range with gaps, like 1-20 but without 13.
Does it replace my existing entries?
Yes. Clicking Generate replaces whatever is on the wheel with the new number range. If you want to keep your current entries, note them down first.
Does it save my range?
The generated numbers are saved in your browser's local storage. Next time you visit, you'll see the same numbers on the wheel.
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