Estimator

Filler Required Estimate

Current erect length15.0 cm

Current erect girth11.7 cm

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Closest everyday object

Projected girth

12.5 cm

+0.8 cm · +7%

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Approximate figures based on outcomes across 15,000+ treatments. Average erect girth: 11.66 cm (Veale et al., BJU Int. 2015).

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How big is a 2.5 cm (1 inch) gain in girth?

You can picture it with your own hand.

Make a ring with your thumb and index finger.
Now open the gap between them by about 2.5 cm (one inch).
Notice how much larger the ring has become.

An added 2.5 cm of girth is a substantial change.

Expecting 5 cm (2 inches) or more is not realistic. Most patients gain 1.5 to 2.5 cm; a few have achieved more than 5 cm over multiple sessions — see our before and after photographs — but gains of that size carry significant up-front and maintenance costs.

If you are in a long-term relationship, it is worth talking it through with your partner first — they may be perfectly happy with your current size.

And if you simply want to be bigger for personal preference rather than medical need, filler is the most sensible medical route available.

TO HOMEPAGE

BEFORE & AFTER

Penis Lengthening Surgery

Amount of Filler Required

REAL PENILE LENGTHENING

MONS PUBIS LIPOSUCTION

Author: Dr Gary Horn

GMC Registered Plastic Surgeon

Androfill Clinic Director

Medically reviewed by: Dr Greta Peciulyte

GMC Registered Urologist

Androfill Clinical Team

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Regulatory bodies & memberships

International Society of Aesthetic Plastic Surgery

This website is for Androfill United Kingdom

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Written and medically reviewed by Dr Gary Horn — consultant plastic and reconstructive surgeon, GMC 4267803. Reviewed by Dr Greta Peciulyte, Urologist, GMC 7539240. Last reviewed 28 August 2026. General information only, not a substitute for a consultation. Individual results vary.