Penis measurement

Covers how to measure penis length and girth accurately and consistently, including common measurement standards and sources of error. Helps men interpret results realistically, reduce anxiety, and understand what changes (if any) are meaningful for sexual health and confidence.

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The essentials for penis measurement — then explore the latest posts below.

Celebrity penises and the big penis myth: What men should know

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 15, 2025 · 10 min read

The average erect penis length is about 13 cm, and “celebrity” size claims are usually meaningless because flaccid photos, camera angles, and nonstandard methods (vs. bone-pressed erect length) can’t reliably indicate true erect size. Here’s how to measure accurately, stop misleading comparisons, and focus on what actually improves performance and confidence (like erection quality and ...

How do you measure your penis correctly, according to a urologist

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 09, 2025 · 13 min read

Urologists measure penis length as “bone‑pressed” length—press a rigid ruler into the pubic bone on the top side and measure straight to the tip (glans)—and measure girth by wrapping a tape measure around the mid‑shaft; with this standardized method, the average erect length is about 5.1–5.5 inches and the average erect girth is about 4.8 ...