Penis Size Comparison: Visualise Against Average
Compare your measurements with published averages and a visual reference. A 2015 systematic review reported a mean erect length of 13.12 cm (5.16 inches) and mean erect circumference of 11.66 cm (4.59 inches), based on separate and much smaller erect-measurement samples than the review’s overall total. These are study averages, not a target or a description of every man. Visual comparisons are illustrative; they do not replace consistent measurement or explain how a particular person will experience their size.
Why looking down creates a false perspective
Viewing angle can change how proportions appear, but there is no single reliable percentage by which looking down makes a measurement appear shorter. Use a ruler and a consistent method for measurements; treat any visual comparison on this page as an illustration rather than a measurement.
Everyday item reference scale
Familiar objects can help illustrate scale, but dimensions vary by model and product. Do not use an object comparison as a substitute for measuring length and circumference directly. For a meaningful comparison, use the same measurement method as the published reference data.
Length vs thickness: which compares better?
Length and circumference describe different dimensions, and preferences vary between people. There is no universal ideal combination. If comparing your own measurements, review length and girth separately and avoid treating a population average as a judgement about sexual satisfaction or compatibility.
My Size Report provides a private, calculator-led way to understand measurements against published research. Results are informational and should not be treated as medical advice.