Index/Topics/Penis Size Discrepancy

Penis Size Discrepancy

The discrepancy between self-reported penis size and clinician-measured penis size in men.

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Jan 12, 2026
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penis size percentiles

A modern synthesis of clinical measurements places the median erect penis length around 13.2 cm (about 5.2 inches), with most men clustered tightly around that value and extreme outliers rare . Studie...

Jan 12, 2026
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How much do self‑reported penis sizes differ from clinician‑measured values across large studies?

Across large systematic reviews and individual studies, men who self-report penis size tend to give figures that are consistently larger than measurements taken by clinicians, with the typical gap cen...

Jan 24, 2026
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How do self-reported penis size surveys compare to clinical measurement studies and what biases affect them?

Self-reported consistently yield larger averages than , a discrepancy documented across multiple reviews and primary studies . The gap reflects predictable measurement and sampling biases—, volunteer ...

Feb 3, 2026

How do measurement methods (self‑reported vs clinician‑measured) change reported penis size distributions?

Studies and meta-analyses show a consistent divergence: self‑reported tend to be larger than measurements taken by clinicians, and different (flaccid, stretched, erect) produce different central value...

Jan 23, 2026

How much do self-reported penis sizes differ from clinically measured sizes?

Multiple large reviews and clinical studies find a consistent gap: self-reported erect penis lengths average roughly 6.0–6.6 inches in many surveys, while clinician-measured studies converge on about ...