Is My Penis Small? (What Counts as Small vs Average)
The 2015 review reported mean erect length of 13.12 cm (5.16 inches), but size alone does not establish a medical condition. Clinical assessment of a very small penis uses standardised measurement, typically stretched penile length, and age-appropriate reference values rather than one erect-length cut-off. If concerned, discuss it with a qualified clinician.
Medical definitions vs everyday perception
Clinical assessment of micropenis uses standardised stretched penile length and age-appropriate reference values. An erect-length threshold alone should not be used to diagnose a medical condition.
The role of the pelvic fat pad
The fat pad above the penis can obscure part of the visible shaft, but the amount varies between people. Bone-pressed and non-bone-pressed measurements are different and should not be compared as if they were identical.
Anatomy and sexual pleasure
Sexual pleasure depends on many factors and varies between people. A measurement cannot determine how sex will feel or predict a partner’s experience.
My Size Report provides a private, calculator-led way to understand measurements against published research. Results are informational and should not be treated as medical advice.