Composition of the human body

For those who are curious about what we're made of.


Elements% - kg

Oxygen 65 - 52
Carbon 18 - 14.4
Hydrogen 10 - 8
Nitrogen 3 - 2.4
Calcium 1.5 - 1.2
Phosphorus 1 - 0.8
Sulfur 0.25 - 0.2
Potassium 0.2 - 0.2
Chlorine 0.15 - 0.12
Sodium 0.15 - 0.12
Magnesium 0.05 - 0.04
Iron 0006 - 0.0048
Fluoride 0.0037 - 0.00296
Zinc 0.0032 - 0.00256
Silicon 0002 to 0.0016
Zirconium 0.0006 - 0.00048
Rubidium 0.00046 - 0.000368
Strontium 0.00046 - 0.000368
Bromo 0.00029 - 0.000232
Lead 0.00017 - 0.000136
Niobium 0.00016 - 0.000128
Copper 0.0001 - 0.00008
Aluminum 0.000087 - 0.00007
Cadmium 0.000072 - 0.000058
Boro 0.000069 - 0.000055
Barium 0.000031 - 0.000025
Arsenic 0.000026 - 0.000021
Vanadium 0.000026 - 0.000021
Tin 0.000024 - 0.000019
Mercury 0.000019 - 0.000015
Selenium 0.000019 - 0.000015
Manganese 0.000017 - 0.000014
Iodine 0.000016 - 0.000013
Gold 0.000014 - 0.000011
Nickel 0.000014 - 0.000011
Molybdenum 0.000013 - 0.00001
Titanium 0.000013 - 0.00001
Tellurium 0.000012 - 0.00001
Antimony 0.000011 - 0.000009
Lithium 0.0000031 - 0.000002
Chrome 0.0000024 - 0.000002
Cecio 0.0000021 - 0.000002
Cobalt 0.0000021 - 0.000002
Silver 0.000001 - 0.0000008
Uranium 0.00000013 - 0.0000001
Beryllium 0.000000005 - 0.000000004
Radio 0.00000000000000001 - 0