About the size of both of your fists put together.
the average weight of the human brain is 10-15 lbs.
Scientists do know how big an average brain is.
The average size of a donkey's brain is comparable to a human. The donkey's brain is between 50 and 75 percent of the size of the human brain.
Albert Einstein's brain was about average in size compared to other adult human brains. However, the specific regions of his brain associated with mathematical and spatial reasoning were found to be slightly different in shape and structure compared to average brains.
It is bigger than a non-autistic human brain.
263,745,374,375,477,777 inches big
Average brain weight of a newborn human is350-400g
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The average human brain weighs about 3 pounds (1.4 kilograms).
10 pounds for the average human
It is one-third the size of a human brain.
The average human brain weighs about 1.4 kilograms (3 pounds).