What is the size of a human testicle?

The average size of a human testicle typically ranges from about 1.5 to 2 inches (3.5 to 5 centimeters) in length and about 1 inch (2.5 centimeters) in width. However, size can vary among individuals, with some testicles being slightly smaller or larger. Testicular size can also be influenced by factors such as age and overall health.