6 inches — Percentile Ranking
Erect Length
Percentile90th
ClassificationAbove average
Z-score1.28
vs. Mean-7.12 cm
Erect length distribution Distribution (cm)
Erect Girth
Percentile100th
ClassificationAbove average
Z-score3.25
vs. Mean-5.66 cm
Erect girth distribution Distribution (cm)
What This Means
A erect size of 6 inches places you above the population average. This is based on the Veale et al. (2015) systematic review of 15,521 men.