How to generate a random number
Enter the smallest and largest allowed values, then press generate. The tool picks a whole number inside that range, including both endpoints.
Free random generator
Random Number Generator
Pick one number or generate a list of random numbers between your chosen minimum and maximum.
- Custom range
- Multiple numbers
- Unique option
- Copy results
Random result
Generated number
1 number from 1 to 100
42
- All results
- 42
- Range size
- 100
- Unique mode
- Off
- Status
- Ready
How unique random numbers work
When unique mode is on, each generated number appears only once. If the range has fewer values than the requested quantity, the calculator limits the result to the available range.
What can random numbers be used for?
Random numbers are useful for games, classroom activities, giveaways, practice problems, draft orders, decision making, and simple simulations.