What Is the Thickest Penis? Facts, Averages & Options | Moorgate Andrology

When it comes to penis size, most people focus on length, but thickness (girth) is just as important for appearance and sexual satisfaction.

What’s the Thickest Penis Recorded?

Medical records show that the thickest reported penises are well above the global average, but these cases are extremely rare. Most men fall within the average girth range of 11–13 cm (4.3–5.1 inches) when erect.

Average Penis Thickness by Country

Research shows slight variations in average girth around the world:

• USA: 12.3 cm

• UK: 12.5 cm

• France: 12.1 cm

• Japan: 11.1 cm

These are averages — some men naturally fall above or below these numbers.

Can You Increase Penis Thickness?

Yes, there are safe options:

• Non-surgical penis fillers using hyaluronic acid provide immediate girth enhancement with minimal downtime. Learn more about penis fillers

• Penis enlargement surgery can increase girth permanently in a single procedure. Read about enlargement surgery

Things to Consider

Before seeking any treatment:

• Be realistic about expected results.

• Understand risks and aftercare requirements.

• Consult a specialist in male genital procedures for advice tailored to your goals.

FAQ

Q: What’s the average penis girth?
A: The average erect girth is 11–13 cm (4.3–5.1 inches).

Q: Are penis fillers safe?
A: When administered by a trained andrology specialist, hyaluronic acid fillers are safe, reversible, and effective.

Q: How long do fillers last?
A: Results typically last 12–18 months, depending on lifestyle and metabolism.

Q: Can surgery increase thickness permanently?
A: Yes, surgical girth enhancement provides a permanent increase, but recovery and aftercare are important.