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A member asked:

What is the average size of 21 year boy penis?

1 doctor answer1 doctor weighed in
Dr. Julan Crane
Pediatrics 25 years experience
Average penis size : 5.1 inches erect

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United Kingdom
A male asked:

Is a 12.5 cm penis average for a 14 year old boy?

1 doctor answer2 doctors weighed in
Dr. Ankush Bansal
Internal Medicine 17 years experience
Normal: It's normal. Don't worry about it.
West Jordan, UT
A 30-year-old male asked:

What is the average penis girth size?

1 doctor answer2 doctors weighed in
Dr. Lori Semel
Pediatrics 35 years experience
Penile girth: The average penile girth was about 4.8 inches (12.2 cm).

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Last updated Oct 18, 2016
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