Dusky pademelons range in body height from 17.8 centimeters to 4.5 meters, and in body length from 65 centimeters to 1.1 meters; the species weighs 4.8 kilograms. The embryo stage has a body mass of 0 grams, while the joey stage features young with a body mass ranging from 5 grams to 0.8 kilograms and a body length between 1 and 15 centimeters. Following rapid growth, the juvenile dusky pademelons have a body mass from 0.8 to 3.5 kilograms and a body length from 30 to 60 centimeters. Adult dusky wallabies weigh from 4.5 to 7 kilograms and measure from 70 centimeters to 1.1 meters in body length.