Q:

What Is the Average Testicle Size?

A:

Quick Answer

The average testicle of an adult male is 2 to 3 inches long and 1 inch wide. Testicles increase in size during puberty, from a little under 1 inch long to their adult size at about age 16 or 17.

Continue Reading
Related Videos

Full Answer

Testicles are gonads that produce sperm and relatively high levels of testosterone. These egg-shaped organs simultaneously fuel and affect the hormonal surges of puberty. A testicle size of under 1.3 inches is unusually small for an adult, but fairly normal for a teenager. Drastic changes in testicle size during adulthood are an indication of cancer.

Some other conditions besides cancer also affect adult testicle size. For example, Klinefelter's Syndrome, a condition caused by an excessive number of X chromosomes, can cause smaller-than-average testicles.

Learn more about Human Anatomy

Related Questions

Explore