Index/Topics/Clinical Measurement Methods

Clinical Measurement Methods

Different methods used for measuring penis length, including stretched flaccid length, physician-measured erect length, and self-measurement.

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5 results
Jan 19, 2026
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What percentile is a 6.75-inch erect penis based on large clinical measurement datasets?

A 6.75‑inch erect penis (≈17.1 cm) lies well above the population mean reported in large clinical reviews and, when compared to the widely used Veale et al. nomogram (mean 13.12 cm, SD 1.66 cm), corre...

Jan 28, 2026
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Are there reliable tools for measuring flaccid vs erect length?

Reliable measurement of exists when standardized techniques are used: the clinical gold standard is a from pubic bone to glans tip taken during a full erection, while can serve as a reasonable predict...

Jan 24, 2026
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How do measurement methods (flaccid vs stretched vs erect) change reported penis size in clinical studies?

use three common —flaccid, stretched (SFL), and erect—and which one is used changes reported averages substantially: pooled flaccid means are roughly 8.7–9.2 cm, stretched means near 12.9–13.2 cm, and...

Jan 26, 2026

How do self-reported penis size measurements compare to clinician-measured results?

Self-reported are consistently larger on average than values: multiple studies and reviews report that men tend to overestimate erect length in self-reports relative to standardized measurements perfo...

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 ...