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To help compare different orders of magnitude, the following list describes various mass levels between 10-36?kg and 1053?kg.
| Factor (kg) |
Value |
Item |
| 10-36 |
1.783×10-36?kg |
One eV/c², the mass equivalent of one electronvolt of energy. |
| 3.6×10-36?kg |
Electron neutrino, upper limit on mass (2?eV/c²) |
| 10-35 |
|
|
| 10-34 |
|
|
| 10-33 |
|
|
| 10-32 |
|
|
| 10-31 |
9.11×10-31?kg |
Electron (511?keV/c²), the lightest elementary particle with a measured nonzero rest mass. |
| 10-30 |
|
|
| 10-29 |
|
|
| 10-28 |
1.9×10-28?kg |
Muon (106?MeV/c²) |
10-27
yoctogram (yg) |
1.661×10-27?kg |
Atomic mass unit (u) or dalton (Da) |
| 1.673×10-27?kg |
Proton (938.3?MeV/c²) |
| 1.674×10-27?kg |
Hydrogen atom, the lightest atom |
| 1.675×10-27?kg |
Neutron (939.6?MeV/c²) |
| 10-26 |
1.15×10-26?kg |
Lithium atom (6.941?u) |
| 2.99×10-26?kg |
Water molecule (18.015?u) |
| 7.95×10-26?kg |
Titanium atom (47.867?u) |
| 10-25 |
1.79×10-25?kg |
Silver atom (107.8682?u) |
| 1.6×10-25?kg |
Z boson (91.2?GeV/c²) |
| 3.1×10-25?kg |
Top quark (173?GeV/c²), the heaviest known elementary particle |
| 3.2×10-25?kg |
Caffeine molecule (194?u) |
| 3.45×10-25?kg |
Lead-208 atom, the heaviest stable isotope known |
| Factor (kg) |
Value |
Item |
10-12
nanogram (ng) |
10-12?kg |
Average human cell (1 nanogram) |
| 10-11 |
|
|
| 10-10 |
3.5×10-10?kg |
Small grain of sand (0.063 mm diameter, 350 nanograms) |
10-9
microgram (µg) |
2×10-9?kg |
Mass of human ovum, uncertainty in the mass of the prototype kilogram (2 micrograms) |
| 10-8 |
2.2×10-8?kg |
Planck mass |
| 10-7 |
|
|
1 kg and more
| Factor (kg) |
Value |
Item |
106
gigagram (Gg) |
1.25×106?kg |
Trunk of the Giant Sequoia tree named General Sherman (1250 tonnes) |
| 1.5×106?kg |
Individual gate of the Thames Barrier |
| 2.041×106?kg |
Launch mass of the Space Shuttle (2041 tonnes) |
| 6×106?kg |
Largest clonal colony, the quaking aspen named Pando (6000 tonnes) |
| 107 |
1.1×107?kg |
Annual production of Darjeeling tea (11,000 tonnes) |
| 2.6×107?kg |
RMS Titanic (26,000 tonnes) |
| 9.97×107?kg |
Heaviest train ever (99,700 tonnes): Australia's BHP Iron Ore, 2001 record |
| 108 |
6.5×108?kg |
Largest ship, Knock Nevis, when fully loaded (650,000 tonnes) |
109
teragram (Tg) |
4.3×109?kg |
Amount of matter converted into energy by the Sun each second |
| 6×109?kg |
Great Pyramid of Giza |
|
1010
|
6×1010?kg |
Amount of concrete in the Three Gorges Dam, the world's largest concrete structure |
| 1011 |
2×1011?kg |
Amount of water stored in London storage reservoirs (0.2 km³) |
| 3×1011?kg |
Total mass of the human world population |
| 5×1011?kg |
Total biomass of Antarctic krill, Euphausia superba, thought to be the most plentiful creature on the planet |
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