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Flaccid penile length measurement

Method of measuring penile length when not erect, considered a poor predictor of erect size.

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Feb 6, 2026

What are the measurement differences and biases between self‑reported, stretched and clinician‑measured erect penile lengths?

Self‑reported, stretched (maximally stretched flaccid), and clinician‑measured erect produce different averages and are subject to distinct biases: self‑report tends to overestimate, generally correla...

Jan 14, 2026

How is stretched penile length measured and how accurate is it as a predictor of erect length?

Stretched penile length (SPL) is measured by extending the flaccid penis to its maximal comfortable length and measuring from a fixed proximal landmark to the tip of the glans; it is widely used becau...