what percent of water are humans
Humans are made of roughly 50–60% water by weight , with most adults often quoted around 60%.
Quick Scoop: Core Answer
- Adult humans are on average about 60% water.
- The typical range is roughly 50–75%, depending on age, sex, and body composition.
- Infants are much more watery (around 70–75%), while older adults can drop closer to the mid‑40% range.
Why The Percentage Varies
- Age :
- Infants: about 74% on average, with a range roughly 64–84%.
* The percentage gradually falls toward adult levels by puberty.
- Sex and body type :
- Adult men average close to 59–60% water.
* Adult women average closer to 50% because higher body fat and lower muscle mass reduce water percentage.
Inside The Body: Where That Water Is
Different parts of the body have very different water contents.
| Body part | Approx. water percentage |
|---|---|
| Brain & heart | ≈73% water | [5][1]
| Lungs | ≈83% water | [5][1]
| Muscles & kidneys | ≈79% water | [5][1]
| Skin | ≈64–70% water | [1][3][5]
| Liver | ≈70–75% water | [3][5]
| Bones | ≈31% water | [5][1]
Information gathered from public forums or data available on the internet and portrayed here.