Random Number Generator
Use the random number generator to pick a number between a minimum and maximum value. Choose whether duplicates are allowed and how many numbers you need.
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How to use Random Number Generator
- Enter a minimum and maximum value.
- Choose how many numbers to generate.
- Toggle Allow duplicates on or off.
- Click Generate to see the result.
Example uses
- Picking a raffle winner by number.
- Choosing a random page to read.
- Generating practice sums in a classroom.
- Deciding whose turn it is by assigned number.
Fairness and probability
Each integer in the selected range has an equal chance of being chosen when duplicates are not allowed. The tool uses Math.random(), which is suitable for casual decisions.
Frequently asked questions
Can I generate decimal numbers?
The generator works with integers by default. Decimal support can be enabled by entering decimal minimum and maximum values.
What happens if I request more numbers than the range allows?
If duplicates are not allowed, the maximum count is limited to the number of values in the range.
Accessibility
- Generated numbers are announced by a live region.
- Inputs have clear labels and validation messages.
- Results are shown in a large, readable typeface.