Patient's Query
Hello doctor,
I am an 18-year-old boy. My penis is five inches when erect and two to three inches when it is flaccid. Is it too small for my age, and will it grow more? Also, how big will it be when I am done growing?
Thank you.
Hello,
Welcome to icliniq.com.
The penis completes its growth in about 16 years, though many other body organs will continue to grow for two to three years. At your age, you may have reached almost 90 percent of penile growth, so you may expect to add a few millimeters or so in the next couple of years. There are formulae that can predict adult penis length from the size of your fingers. At about five inches, your penis is of decent size (anything above 3.5 inches is fine).
Hope this helps.
Thank you.
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Answered byDr. D. V. R. Poosha
Medically reviewed byiCliniq medical review team
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