How much does the human brain weigh including both sides of the brain?

[Edit]

The average weight of an adult human brain is about 1300-1400 grams. Newborn brains weigh about 350-400 grams.

Hope this helps!

Dr. B.

In American pounds that comes out to:

2.86- 3.08 lbs. for an adult and,

.77- .88 lbs. for a newborn

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