Same birthday probability as you Calculator

Calculates the probability that someone in a group have the same birthday as you.

 n personsincluding you 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit Probability with same birthdays p(n) %
Probability that someone in a group have the same birthday as you.

This calculation ignores the existence of leap years.
Same birthday probability as you
 [0-0] / 0 Disp-Num5103050100200
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