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How much does A Human Brain weigh?
1.4 kg (3.09 lb)
per brain
A Human Brain weighs about 1.4 kg (3.09 lb) per brain. About the same as a laptop.
| Weight (metric) | 1.4 kg |
| Weight (imperial) | 3.09 lb |
| Measured per | brain |
| Category | Body & Nature |
| Compares to | About the same as a laptop. |
⚖️ Weight calculator
About the weight of a human brain
The adult human brain weighs about 1.3 to 1.4 kg.
It uses about 20 percent of the bodys energy.
Frequently asked questions
- How much does a human brain weigh?
- A Human Brain weighs about 1.4 kg (3.09 lb) per brain. The adult human brain weighs about 1.3 to 1.4 kg.
- How much do 10 of them weigh?
- Ten would weigh roughly 14 kg (30.9 lb).
- What does that compare to?
- About the same as a laptop.