Is a 6 inch penis with 5.75 inches of girth average?

Checked on January 17, 2026
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Executive summary

A penis that is 6 inches long with a 5.75‑inch girth is larger than the clinician‑measured population averages reported in major reviews — length above the typical erect mean and girth substantially above the typical erect mean — but it falls well inside the wide, normal human distribution rather than in any medical “abnormal” category [1] [2] [3].

1. Where the baseline comes from: clinician‑measured averages vs. self‑report

Large, clinician‑measured meta‑analyses and systematic reviews remain the most reliable benchmarks: a widely cited 2015 review of measurements taken by health professionals found an average erect length of about 13.12 cm (≈5.16 in) and an average erect circumference (girth) of about 11.66 cm (≈4.59 in) [1] [2]. Studies using self‑measurement or self‑report typically yield higher numbers, and researchers warn that self‑reported data are biased upward relative to clinician‑measured results [1] [4]. Any comparison should therefore reference clinician measurements when possible [1].

2. How 6.0 in × 5.75 in compares to those benchmarks

A 6.0‑inch erect length exceeds the 2015 clinician‑measured mean of about 5.16 inches by roughly 0.8–0.9 inches, placing it above average in length compared with the pooled medical data [1] [2]. A 5.75‑inch girth is substantially larger than the pooled clinician mean of about 4.59 inches — roughly 1.1 inches more in circumference — making it noticeably above average in girth by the same standard [1] [3]. Multiple sources reiterate that typical erect girth centers near 4.6–4.8 inches in clinician studies and large reviews [1] [3] [5].

3. Percentiles, perception and what “average” often means in real life

Exact percentile placement for the specific pair 6.0 × 5.75 inches is not available in the supplied sources, because most nomograms report distributions separately for length and girth and measurement methods vary; the meta‑analyses note heterogeneity and lack of standardized protocols that make precise percentile claims difficult [6]. Public perception skews larger: popular summaries put the average erect length between about 5.1 and 5.5 inches, reinforcing that 6 inches is above what many studies report as the mean [4]. Importantly, clinicians and sex researchers emphasize wide natural variation and overlap between groups, so being above the mean is normal and common [1] [6].

4. Sexual preference, satisfaction, and cultural context

Research that gauges partner preferences using 3D models finds women’s “ideal” values slightly larger than objective averages — roughly 6.3 inches length and about 4.8–5.0 inches circumference for one‑time partners, and slightly less for long‑term partners — indicating a 6.0‑inch length sits near what some studies label a preferred size while a 5.75‑inch girth is close to or above those preference estimates [7] [8] [9]. However, multiple surveys and clinical commentators stress that most partners do not prioritize size and that sexual satisfaction is driven by many factors beyond raw measurements [10] [8].

5. Caveats, agendas and why numbers get distorted

Measurement methods, sample selection, and commercial incentives warp public discussions: clinician‑measured meta‑analyses are the gold standard but are uneven across regions; self‑reported surveys inflate averages; and the penis‑augmentation industry has incentives to depict “normal” as deficient to sell products [1] [6] [11]. Scientific reviews flag methodological heterogeneity and regional reporting biases, and note that differences within regions often exceed differences between them [6]. The supplied sources do not offer a precise population percentile for the exact 6.0 × 5.75 combination, so claims that it is “in the top X%” cannot be responsibly made from these documents [6].

6. Bottom line

Compared to clinician‑measured norms in peer‑reviewed syntheses, a 6‑inch erect length is above average and a 5.75‑inch girth is noticeably above the mean girth; both measurements are well within the normal range and align with sizes that research shows are at or near many partners’ stated preferences, but they do not represent an extreme or pathological outlier according to the available clinician‑measured literature [1] [2] [7].

Want to dive deeper?
What percentile is a 6.0 inch erect length in clinician‑measured penis size nomograms?
How do self‑reported penis measurements differ from clinician‑measured results and why does it matter?
What measurement protocols do clinicians recommend to get accurate erect length and girth data?