乱数生成機

共有リンク

はじめに

Random Number Generator — Generate random integers or decimals in any range. Enter Minimum, Maximum, How many, Allow decimals to get an instant, accurate result.

計算式

Uniformly distributed random numbers between min and max, generated using PHP's Mersenne Twister RNG.

ステップごとの説明

Enter the Minimum.
Enter the Maximum.
Enter the How many.
Enter the Allow decimals.
Click Calculate to see your result instantly.

実例

Example: With Minimum = 1, Maximum = 100, How many = 5, Allow decimals = 0, the Random Number Generator gives Numbers: 18, 77, 92, 89, 54.

よくある質問

How many numbers can I generate at once?

Up to 1000 per request.

Can I generate decimals instead of whole numbers?

Yes, toggle "Allow decimals" to get non-integer results.

What inputs does the Random Number Generator need?

You'll need to provide: Minimum, Maximum, How many, Allow decimals. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Random Number Generator?

The Random Number Generator applies the formula exactly as calculated — Uniformly distributed random numbers between min and max, generated using PHP's Mersenne Twister RNG. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Random Number Generator free to use?

Yes, the Random Number Generator is completely free, requires no signup, and runs instantly in your browser.