The adult human brain weighs about 3 pounds (1,, g). The adult human brain is about 2% of the total body weight. The elephant brain weighs about.
brain of total body weight ( pound human) = 2% Average number of neocortical glial cells (young adults) = 39 billion (Pakkenberg et al., ; ).
Based on more than autopsies of male and female patients without brain diseases the normal brain weight of adult males and females in relation to sex.
In terms of weight, the average adult human brain weighs in at to approximately to grams or three-quarters of a pound.