Is my penis normal?
Almost certainly yes — the average erect penis is 13.1 cm (5.2 inches), and roughly 90% of men land between 4.1 and 6.2 inches, so nearly any size you measure is flat-out normal.
Yes. Almost certainly yes — and “normal” is a much wider lane than your anxiety has been telling you. Researchers measured 15,521 men (Veale et al., 2015) and clocked a mean erect length of 13.1 cm (5.2 inches) and girth of 11.66 cm (4.59 inches). About 90% of men fall between 4.1 and 6.2 inches erect. Land anywhere in that band and you’re not just fine — you’re textbook.
And that band is huge. Four inches sits near the 4th percentile: below average, sure, but nowhere near abnormal. Five inches is about the 40th, a hair under the mean. Five and a half hits the 70th. Six inches is the 90th — the top 1 in 10. Six and a half clears the 98th. The entire gap between “small” and “above average” is barely two inches. Most of the panic is over a difference nobody would ever clock. If you want the brutal math on the upper end, see how rare is my size.
The only line that medically matters sits far, far below all of this. True micropenis means an erect or stretched length under about 9.3 cm (3.7 inches), and it shows up in roughly 0.6% of men. If you’re asking this question, you’re almost never anywhere near it.
One catch: measure right, because a sloppy half-inch can swing your percentile. Check how to measure and the full penis size statistics.
Find your exact percentile: open the calculator