Generate Random Number

Generate random numbers effortlessly with Math Tools. Perfect for games, experiments, or fun! Customize ranges and get results instantly. Try it now!

Enter your parameters

Minimum

Enter a valid number.

Lower bound (inclusive).

Maximum

Enter a valid number greater than or equal to Min.

Upper bound (inclusive for integers).

How many

Enter an integer between 1 and 5000.

Total numbers to generate.

Number type

Integer Decimal

Unique values

For integers, uniqueness is exact. For decimals, uniqueness is by rounding to the chosen precision.

Mean (μ)

Enter a valid number.

Std dev (σ)

Enter a non-negative number.

How many

Enter an integer between 1 and 5000.

Decimal places

Choose 0–10 decimal places.

Clamp to range

Results

Latest output

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Ready

Set your parameters and click Generate to create random numbers.

Summary statistics of generated numbers.
Metric	Value
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Histogram

Bars show counts per bin. Hover with a mouse or focus bars for exact counts.

View all generated numbers

History

Recent generations stored locally in your browser.
Time	Type	Params	Count	Preview
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Tips

Uniform: Each number in [min, max] is equally likely.
Normal: Numbers cluster around mean μ with spread σ. Use clamp to limit extremes.
Unique integers: Ensure count ≤ range size (max − min + 1).

What is Online Generate Random Number?

An Online Generate Random Number tool is a web-based application that generates random numbers within a specified range. These tools are commonly used for purposes like simulations, lottery drawings, statistical sampling, password generation, or assigning tasks randomly.

How to Use Online Generate Random Number?

Access the Tool: Open a web browser and visit an online random number generator website or app.
Set the Range: Enter the minimum and maximum values for the range in which you want the random number to be generated.
Generate the Number: Click the "Generate" or "Randomize" button to produce a random number.
Repeat or Adjust (if needed): Generate additional numbers or modify the range for new results.
Advanced Options (if available): Some tools allow you to generate multiple numbers, avoid duplicates, or include other settings like decimals.

Frequently Asked Questions-

What is the purpose of an online random number generator?
It is used for creating random outputs for tasks like games, lotteries, simulations, data sampling, or assigning items or tasks randomly.
Can I generate multiple random numbers at once?
Yes, many tools offer the option to generate multiple random numbers simultaneously within your specified range.
Are the numbers generated truly random?
Most online generators produce pseudo-random numbers using algorithms, which are sufficiently random for most applications but not suitable for cryptographic purposes.
Can I set conditions like avoiding duplicates?
Yes, advanced random number generators often include features to prevent duplicate numbers within a set.
Do I need to download or register to use an online random number generator?
No, most online random number generators are free to use and don’t require downloads or registrations.