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Am I normal? Review Analyzes Data on Flaccid and Erect Penis Lengths in Men
A new analysis provides insights on what's considered “normal” for penis length and circumference in
men. The findings in BJU International may be helpful when counseling men who are worried about
their size, or when investigating the relationship between condom failure and penile dimensions.
Some men are concerned about their penis size, and those who are preoccupied and severely
distressed with the size of their penis may even be diagnosed with Body Dysmorphic Disorder. There
have been no formal systematic reviews of penile size measurements and no attempts to create a
graphical diagram, or nomogram, that depicts the distribution of the size of a flaccid or erect penis.
Dr. David Veale, of King's College London and South London and Maudsley NHS Foundation Trust,
and his colleague from King’s College Hospital NHS Foundation Trust, set out to create such a
nomogram of male penis size measurements across all ages and races. A search of the medical
literature revealed 17 studies with up to 15,521 males who underwent penis size measurements by
health professionals using a standard procedure. The nomograms revealed that the average length of
a flaccid penis was 9.16 cm, the average length of a flaccid stretched penis was 13.24 cm, and the
average length of an erect penis was 13.12 cm. The average flaccid circumference was 9.31 cm, and
the average erect circumference was 11.66 cm. There was a small correlation between erect length
and height.
“We believe these graphs will help doctors reassure the large majority of men that the size of their
penis is in the normal range. We will also use the graphs to examine the discrepancy between what a
man believes to be their position on the graph and their actual position or what they think they should
be” said Dr. Veale.
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Full citation: “Am I normal? A systematic review and construction of nomograms for flaccid and erect penis
length and circumference in up to 15,521 men.” David Veale, Sarah Miles, Sally Bramley, Gordon Muir, and John
Hodsoll. BJU International; Published Online: March 3, 2015 (DOI: 10.1111/bju.13010).
URL Upon Publication: http://doi.wiley.com/10.1111/bju.13010
About the Author:
To arrange an interview with Dr. David Veale please contact +44 020 8920 5611 or David.Veale@kcl.ac.uk or to
contact the co-author Mr. Gordon Muir, +44 01306 640052 or gordonhmuir@gmail.com.
About the Journal:
BJUI is a highly respected international medical journal that aims to provide the very highest standard of research
and clinical information for the urological community, promoting awareness of new advances and supporting best
practice in urology. Every issue gives invaluable practical information in the form of original articles, reviews,
comments, translational science and surgical education articles on all aspects of urology.
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