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Standard mathematical formulas. Instant in-browser calculation, no account. Exact results for the values you enter.
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iHow it is calculated
Choose the minimum and maximum, how many numbers you want and whether they are whole. The generator produces pseudo-random values uniformly spread over the range:
number = min + random × (max − min)
For a die: min 1, max 6 → a whole number between 1 and 6. For a raffle with 50 tickets: min 1, max 50.
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?Frequently asked questions
How do I generate a random number?
Choose the range (minimum and maximum) and press Generate. The calculator produces a random number within the chosen range.
Can I generate several numbers at once?
Yes. Set the “How many” field and you get a list of random numbers (up to 1000).
How do I get a number between two values?
Enter the minimum and maximum; the generated number is always within this range, including the endpoints for whole numbers.
Are the numbers truly random?
They are pseudo-random, generated by the browser’s algorithm. Fine for games, raffles and simulations, but not for cryptography.
Can I generate decimal numbers?
Yes. Untick “Whole numbers” to get values with decimals within the chosen range.
How do I pick a raffle winner?
Number the participants, set minimum to 1 and maximum to their count, then generate one number — the winner’s position.
How do I simulate a dice roll?
Set minimum 1 and maximum 6 and generate a whole number. For two dice, ask for 2 numbers.
Can the generated numbers repeat?
By default yes — each number is drawn independently, so a list can contain repeats. Tick “No repeats (unique)” to draw distinct values instead (like a raffle without replacement); the count is then capped at how many whole numbers the range holds.
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