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Calcimator

Hash Collision Probability Calculator

Calculate hash collision probability using birthday paradox. Find collision probability and birthday bound for hash functions.

Inputs

bits

Results

Collision Probability

0%

Expected Collisions

0

Birthday Bound

400,651,869,298,001,200,000,000,000,000,000,000,000

Time to Collision0 days
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Formula

P(collision) ≈ 1 - e^(-n²/(2×m))

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