1. Health

What is the average flaccid penis size?

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Updated May 21, 2014

Question: What is the average flaccid penis size?
Answer: The average length of a penis, hanging down loosely in a mature adult, is between 3 to 4.5 inches under normal conditions.

Cold and exhaustion will make the penis temporarily smaller. In addition, men often underestimate their own penis size.

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