Your fact-checks

Your fact-checks will appear here

factually
Support us
  • Home
  • Politics
  • Business
  • Society
  • Technology
  • Health
  • Science
  • Entertainment
Index/Topics/Self-measured vs clinician-measured penile length

Self-measured vs clinician-measured penile length

Comparison of self-measured and clinician-measured penile length data, including differences in averages and variability

Fact-Checks

3 results
Feb 4, 2026

How does average erect penis length change from 20s to 70s by decade?

Published measurement studies show adult erect reaches an average of roughly 5.1–5.3 inches in early adulthood and, based on the sources available, does not show a clear, consistent decade‑by‑decade d...

Jan 19, 2026

How do measurement methods (self-report vs. clinical) affect reported average penis length in studies?

Clinical and self-reported measurements of penile length diverge in predictable ways: self-reports tend to be larger on average due to social desirability and perceptual bias, while clinician-measured...

Jan 19, 2026

Surely it's not possible that most men only have penises just over 5 inches long?

Large, peer‑reviewed aggregates place the average erect penis length in the low‑to‑mid 5‑inch range — roughly 5.1–5.5 inches — which means that while many men cluster around “just over 5 inches,” ther...

About
Blog
Contact
FAQ
Terms & ConditionsTerms
Privacy PolicyPrivacy
Manage data