13 cm, by the Numbers
A 13 cm (5.1 in) erect penis sits at the 47th percentile, bigger than about 47% of men. That is −0.1 cm against the 13.1 cm average.
How it compares
A 13 cm average lines up with these national figures most closely:
National averages are self-reported and rough, so treat them as context, not fact.
How this is measured
These figures use bone-pressed length, measured from the pubic bone, the way the reference nomograms were taken. Measured without pressing into the fat pad, the same erection reads about 12 cm. Girth is measured around the thickest part of the shaft.
Common questions
What percentile is a 13 cm penis?
It lands at the 47th percentile of erect length, bigger than roughly 47% of men, against the Veale 2015 mean of 13.1 cm.
How many men are bigger than 13 cm?
A size this small is itself uncommon: about 1 in 2 men are shorter. Out of 100 men, about 53 would be above 13 cm (5.1 in).
Is 13 cm big?
It is −0.1 cm against the 13.1 cm average, at the 47th percentile, so 53% of men are longer.