17 cm — Percentile Ranking
Erect Length
Percentile99th
ClassificationAbove average
Z-score2.34
vs. Mean3.88 cm
Erect length distribution Distribution (cm)
Erect Girth
Percentile100th
ClassificationAbove average
Z-score4.85
vs. Mean5.34 cm
Erect girth distribution Distribution (cm)
What This Means
A erect size of 17 cm places you above the population average. This is based on the Veale et al. (2015) systematic review of 15,521 men.
How Common Is 17 cm?
Percentile99th
Men measuring shorter99%
Men measuring longer1%
About 99% of men have a erect length below 17 cm and 1% are above it — fewer than 1 in 100 men measure longer. Distribution based on the Veale et al. (2015) systematic review of 15,521 men.