11 cm — Percentile Ranking
Erect Length
Percentile10th
ClassificationBelow average
Z-score-1.28
vs. Mean-2.12 cm
Erect length distribution Distribution (cm)
Erect Girth
Percentile27th
ClassificationAverage
Z-score-0.60
vs. Mean-0.66 cm
Erect girth distribution Distribution (cm)
What This Means
A erect size of 11 cm places you below the population average. However, research consistently shows that penile size has minimal correlation with sexual satisfaction for either partner. This is based on the Veale et al. (2015) systematic review of 15,521 men.
How Common Is 11 cm?
Percentile10th
Men measuring shorter10%
Men measuring longer90%
About 10% of men have a erect length below 11 cm and 90% are above it — roughly 1 in 2 men measure longer. Distribution based on the Veale et al. (2015) systematic review of 15,521 men.