A fully grown adult male gorilla typically stands about 1.4 to 1.8 meters (4 ft 7 in to 5 ft 11 in) tall when upright, with some sources noting heights around 1.7 to 1.8 meters (5 ft 6 in to 5 ft 11 in)
. Their arm span ranges from approximately 2.3 to 2.6 meters (7 ft 7 in to 8 ft 6 in)
. In terms of weight, adult male gorillas usually weigh between 136 to 227 kilograms (300 to 500 pounds), with some variation depending on species and individual
. For example, silverback gorillas often weigh between 135 to 230 kilograms (300 to 500 pounds)
, while mountain gorillas can weigh up to 220 kilograms (484 pounds)
. Adult females are generally smaller, weighing around 68 to 113 kilograms (150 to 250 pounds). Overall, gorillas are the largest primates, with males significantly larger and stronger than females. Their strength is remarkable, with silverbacks being several times stronger than an average adult human male
