How much does the human brain weigh?
1.35 kgAbout 2.98 lb · Armful
About 1.35 kg, roughly 2% of body weight, yet it uses about 20% of the body's energy.
That's about 2% of a big red kangaroo (85 kg).
🧠1.35 kg
📱the first iPhone
By weight: a human brain is about 10× heavier than the first iPhone.
Things about the same weight
- How much do your lungs weigh?1.2 kg
- How much does a cricket bat weigh?1.2 kg
- How much does a MacBook Air weigh?1.24 kg
- How much does a medieval longsword weigh?1.4 kg
- How much does an ostrich egg weigh?1.4 kg
- How much does a great horned owl weigh?1.4 kg
- How much does the human liver weigh?1.5 kg
- How much does a pineapple weigh?1.5 kg
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].