5 inches — Percentile Ranking
Erect Length
Percentile40th
ClassificationAverage
Z-score-0.25
vs. Mean-8.12 cm
Erect length distribution Distribution (cm)
Erect Girth
Percentile83th
ClassificationAbove average
Z-score0.95
vs. Mean-6.66 cm
Erect girth distribution Distribution (cm)
What This Means
A erect size of 5 inches places you near the middle of the population distribution. You are within the typical range for adult males. This is based on the Veale et al. (2015) systematic review of 15,521 men.
How Common Is 5 inches?
Percentile40th
Men measuring shorter40%
Men measuring longer60%
About 40% of men have a erect length below 5 inches and 60% are above it — roughly 1 in 2 men measure longer. Distribution based on the Veale et al. (2015) systematic review of 15,521 men.