In a normal adult man, it weighs two thirds of an ounce [20 g] and measures, at most, 1.6 inches [4 cm] along its transverse axis, 1.2 inches [3 cm] along its vertical axis, and 0.8 inches [2 cm] along its horizontal axis.
Pada pria dewasa, berat prostat mencapai 20 gram dan ukurannya, yang terbesar, 4 sentimeter poros transversalnya, 3 sentimeter poros vertikalnya, dan 2 sentimeter poros horizontalnya.