Human body
The averaged natural abundance of chemical elements in the human body by weight of their atoms in ppb (parts per billion; reference value: one billion). Real values can deviate strongly from the information given.
Oxygen
Carbon
Hydrogen
Nitrogen
Calcium
Phosphorus
Others
| Element | Abundance | Mass (70 kg) | Price | ||
|---|---|---|---|---|---|
| 8O | Oxygen | 6.1·108 ppb | 61 % | 42.6 kg | 6.5 USD |
| 6C | Carbon | 2.3·108 ppb | 23 % | 16.1 kg | 1.9 USD |
| 1H | Hydrogen | 1·108 ppb | 10 % | 7 kg | 9.7 USD |
| 7N | Nitrogen | 2.6·107 ppb | 2.6 % | 1.81 kg | 0.25 USD |
| 20Ca | Calcium | 1.4·107 ppb | 1.4 % | 980 g | 2.2 USD |
| 15P | Phosphorus | 1.1·107 ppb | 1.1 % | 769 g | 2 USD |
| 16S | Sulfur | 2·106 ppb | 0.2 % | 140 g | 0.012 USD |
| 19K | Potassium | 2·106 ppb | 0.2 % | 140 g | 1.7 USD |
| 11Na | Sodium | 1.4·106 ppb | 0.14 % | 98 g | 0.29 USD |
| 17Cl | Chlorine | 1.2·106 ppb | 0.12 % | 83.9 g | 0.0068 USD |
| 12Mg | Magnesium | 270,000 ppb | 0.027 % | 18.9 g | 0.043 USD |
| 14Si | Silicon | 260,000 ppb | 0.026 % | 18.1 g | 0.03 USD |
| 26Fe | Iron | 60,000 ppb | 0.006 % | 4.19 g | 0.0017 USD |
| 9F | Fluorine | 37,000 ppb | 0.0037 % | 2.59 g | 0.0051 USD |
| 30Zn | Zinc | 33,000 ppb | 0.0033 % | 2.31 g | 0.0058 USD |
| 37Rb | Rubidium | 4,600 ppb | 4.6·10-4 % | 322 mg | 4.9 USD |
| 38Sr | Strontium | 4,600 ppb | 4.6·10-4 % | 322 mg | 0.0021 USD |
| 35Br | Bromine | 2,900 ppb | 2.9·10-4 % | 203 mg | 8.9·10-4 USD |
| 82Pb | Lead | 1,700 ppb | 1.7·10-4 % | 119 mg | 2.3·10-4 USD |
| 29Cu | Copper | 1,000 ppb | 1·10-4 % | 70 mg | 4.2·10-4 USD |
| 13Al | Aluminum | 900 ppb | 9·10-5 % | 63 mg | 1.1·10-4 USD |
| 5B | Boron | 700 ppb | 7·10-5 % | 49 mg | 1.8·10-4 USD |
| 56Ba | Barium | 300 ppb | 3·10-5 % | 21 mg | 5.4·10-6 USD |
| 25Mn | Manganese | 200 ppb | 2·10-5 % | 14 mg | 2.5·10-5 USD |
| 50Sn | Tin | 200 ppb | 2·10-5 % | 14 mg | 2.6·10-4 USD |
| 53I | Iodine | 200 ppb | 2·10-5 % | 14 mg | 4.9·10-4 USD |
| 28Ni | Nickel | 100 ppb | 1·10-5 % | 7 mg | 9.7·10-5 USD |
| 42Mo | Molybdenum | 100 ppb | 1·10-5 % | 7 mg | 2.8·10-4 USD |
| 79Au | Gold | 100 ppb | 1·10-5 % | 7 mg | 0.31 USD |
| 33As | Arsenic | 50 ppb | 5·10-6 % | 3.5 mg | 4·10-6 USD |
| 34Se | Selenium | 50 ppb | 5·10-6 % | 3.5 mg | 7.4·10-5 USD |
| 40Zr | Zirconium | 50 ppb | 5·10-6 % | 3.5 mg | 1.2·10-4 USD |
| 3Li | Lithium | 30 ppb | 3·10-6 % | 2.1 mg | 1.7·10-4 USD |
| 23V | Vanadium | 30 ppb | 3·10-6 % | 2.1 mg | 7.7·10-4 USD |
| 24Cr | Chromium | 30 ppb | 3·10-6 % | 2.1 mg | 1.9·10-5 USD |
| 27Co | Cobalt | 20 ppb | 2·10-6 % | 1.4 mg | 4.5·10-5 USD |
| 55Cs | Caesium | 20 ppb | 2·10-6 % | 1.4 mg | 0.086 USD |
| 92U | Uranium | 1 ppb | 1·10-7 % | 70 μg | 7·10-6 USD |
| 4Be | Beryllium | 0.4 ppb | 4·10-8 % | 28 μg | 2.3·10-5 USD |
| 88Ra | Radium | 1·10-6 ppb | 0.999·10-13 % | 7·10-5 μg | - |