Random Number Generator
Pick a random number from any range.
How the Random Number Generator Works
Set your minimum and maximum values, then click Generate. The tool picks a random integer within your range, with every number having an equal probability of being selected. Results are truly random and unbiased.
The history section keeps track of your last 20 results, so you can see what numbers have come up and verify the randomness over multiple generations.
Common Uses
- Games and raffles - Pick a winning ticket number, roll virtual dice, or select a random player.
- Education - Teach probability, statistics, and random sampling in the classroom.
- Decision making - Assign random numbers to options and let the generator choose.
- Testing - Generate random test data, seeds, or sample sizes for development.
- Contests - Fair, transparent random selection for giveaways and drawings.
Popular Ranges
Set min to 1 and max to 6 for a dice roll. Use 1 to 10 for quick picks. Try 1 to 100 for percentage-style randomness, or go up to thousands for lottery-style draws.
Frequently Asked Questions
How does the random number generator work?
It uses JavaScript's Math.random() function to generate a uniformly distributed random number within your specified range. Every number in the range has an equal chance of being selected.
What is the maximum range I can use?
You can use any range from negative numbers to numbers up to 999,999,999. The generator works with whole numbers (integers).
Can I generate decimal numbers?
This generator produces whole numbers (integers). For decimal results, try generating a larger range and dividing by 10 or 100.