7-Inch Girth: Top 0.1%, Rarer Than 1 in 1,000
A 7-inch (17.8 cm) erect girth sits above the 99.9th percentile: thicker than over 99.9% of men. That is +6.1 cm against the 11.7 cm average circumference.
How it compares
17.8 cm around works out to about 5.7 cm (2.2 in) across.
This girth calls for a large / XL condom, roughly a 80 mm nominal (lay-flat) width. Fit is set by girth, not length.
What this size means
Past the edge of the data. Very few men in the clinical studies measured this thick, so the percentile here is the bell curve extrapolating. Girth is easy to overstate: a tape that sits loose or at a slant adds a centimetre without trying. Measure around the thickest part of the shaft with a flexible tape held snug and level. If the number holds, condom width is the thing to get right, and the fit box above covers it.
Try your own number
The slider starts at 7 in (17.8 cm). Drag it to your measurement and the curve and percentile update instantly. Nothing leaves your device.
Scrub the measurement to see the percentile area grow in real time.
How this is measured
Girth is the circumference around the thickest part of the erect shaft, measured with a flexible tape or a strip of paper. It is unaffected by the bone-pressed convention that applies to length.
Common questions
What percentile is a 7-inch girth?
It lands above the 99.9th percentile of erect girth, thicker than over 99.9% of men, using the Veale 2015 mean of 11.7 cm.
How many men are thicker than a 7-inch girth?
Fewer than 1 in 1,000 men are thicker. A room of 100 men would most likely hold nobody thicker.
Is a 7-inch girth above average?
It is +6.1 cm against the 11.7 cm average circumference, so under 0.1% of men are thicker.