How big are monkey footprints?

Monkey footprints vary in size depending on the species of monkey. On average, the footprints of adult monkeys can range from about 2 inches (5 centimeters) to 10 inches (25 centimeters) in length. The footprints of smaller monkey species, such as marmosets and tamarins, can be as small as 1 inch (2.5 centimeters) in length, while those of larger species, such as gorillas and chimpanzees, can exceed 10 inches (25 centimeters).