How much does the human brain weigh?

The mass of an adult human brain is approximately 1300 to 1400 grams (2.87 to 3.1 pounds).

A newborn human brain is about 350 to 400 grams (0.77 to 0.88 pounds).

The average Male's brain weighs 1360 grams (3 pounds)

The average Female's brain weighs 1250 grams (2.8 pounds)

The brain weights of some well known people:

The brain of Albert Einstein weighed 1230 grams (2.71 pounds) He had the largest corpus callosum with more connections between the two hemispheres.This belays the theory that he was autistic.

The brain of the German mathematician Carl Friedrich Gauss weighed 1492 grams (3.29 pounds)

The brain of the leading poet of Russian Revolution Vladimir Vladimirovich Mayakovsky weighed 1700 grams (3.75 pounds)