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Index/Topics/Human Penis Length

Human Penis Length

The average length of a human penis, including erect, flaccid, and stretched measurements, based on clinician-measured studies and meta-analyses.

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2 results
Jan 15, 2026
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I'm 12, I wanna know if my flaccid penis size is normal or above average. Here is it: Flaccid: 4in Erect: 5-6in

A straightforward comparison of supplied measurements (flaccid 4 in; erect 5–6 in) against published pediatric and adult reference data shows those numbers fall within typical ranges for adolescent ma...

Jan 13, 2026
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Which studies measured penis size clinically (not self-reported) and what did they find?

Clinical (researcher- or clinician-measured) studies and meta-analyses consistently find the mean erect human penis length in the range of ~12.9–13.6 cm (about 5.1–5.4 in), with flaccid and stretched ...