Generators

Instant, private, and free

Random Number Generator.

Generate random numbers within a specified range

On-device calculationNo signup
01

Set your values

Results update as you type.

Options

How to Use

Generate truly random numbers for games, raffles, or any random selection needs.

• Set your minimum and maximum values

• Generate multiple numbers at once

• Option to allow or prevent duplicates

Cite this calculator

Canonical URL: https://mathify.one/de/random/number

Cite as: Mathify. (2026). Zufallszahlengenerator. https://mathify.one/de/random/number

Use Cases

Pick a random winner

Use the calculator to select a random winner from a range of ticket numbers or entries. Set min to the first ticket number, max to the last, and count to 1.

Example: min=1, max=500, count=1

Generate test data

Create a set of random integers for testing software, filling databases, or simulating scenarios. Specify the range and how many numbers you need.

Example: min=1000, max=9999, count=10

Frequently Asked Questions

How does the Random Number Generator work?
You specify a minimum value (min), a maximum value (max), and how many numbers you want (count). The calculator then generates that many random numbers, each falling between min and max (inclusive).
Can I generate numbers with decimals?
The calculator generates integers by default. If you need decimal numbers, you can adjust the min and max values to include decimals, but the output will still be integers unless the calculator supports decimals, which it does not specify.
Is the random number generation truly random?
The calculator uses a pseudo-random algorithm, which is sufficient for most everyday uses like picking lottery numbers, creating test data, or making random selections. It is not cryptographically secure.

Tips & Common Mistakes

Tips

  • Ensure min is less than max to get valid random numbers.
  • Set count to the number of random values you need in one go.
  • For a single random number, set count to 1.
  • Use the generated numbers for games, contests, or random sampling.

Common Mistakes to Avoid

  • Setting min greater than max, which may cause an error or unexpected results.
  • Forgetting to set count, resulting in only one number generated.
  • Assuming the numbers are unique; the calculator may repeat numbers if count exceeds the range size.

Last updated: August 13, 2026