How to use the Random Number Generator
The random number generator picks numbers in a range, with or without duplicates.
Open the Random Number Generator →
What you need to enter
- Minimum
- Maximum
- How many
- Type
- Duplicates
The formula
Each number = minimum + random fraction × (maximum − minimum), then rounded for whole numbers.
Worked example
This tool gives a different result every time you press the button, so there is no single worked example. Choose your options, press the button, and copy the result you like.
Tips for better results
- Use no-duplicates for draws.
- For security use a cryptographic source.
Common mistakes to avoid
- Using it for lotteries or security.
- Expecting patterns.