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.