Orders of magnitude (mass) Totally Explained

Everything about 1 E21 Kg totally explained

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 kg	One eV/c², the mass equivalent of one electronvolt of energy.
10⁻³⁶	3.6 kg	Electron neutrino, upper limit on mass (2 eV/c²)
10⁻³⁵
10⁻³⁴
10⁻³³
10⁻³²
10⁻³¹	9.11 kg	Electron (511 keV/c²), the lightest elementary particle with a measured nonzero rest mass.
10⁻³⁰
10⁻²⁹
10⁻²⁸	1.9 kg	Muon (106 MeV/c²)
10⁻²⁷ yoctogram (yg)	1.661 kg	Atomic mass unit (u) or dalton (Da)
	1.673 kg	Proton (938.3 MeV/c²)
	1.674 kg	Hydrogen atom, the lightest atom
	1.675 kg	Neutron (939.6 MeV/c²)
10⁻²⁶	1.15 kg	Lithium atom (6.941 u)
	2.99 kg	Water molecule (18.015 u)
	7.95 kg	Titanium atom (47.867 u)
10⁻²⁵	1.79 kg	Silver atom (107.8682 u)
	1.6 kg	Z boson (91.2 GeV/c²)
	3.1 kg	Top quark (173 GeV/c²), the heaviest known elementary particle
	3.2 kg	Caffeine molecule (194 u)
	3.45 kg	Lead-208 atom, the heaviest stable isotope known

Factor (kg)	Value	Item
10⁻²⁴ zeptogram (zg)
10⁻²³
10⁻²²	1.1 kg	Haemoglobin A molecule in blood
10⁻²¹ attogram (ag)
10⁻²⁰	10⁻²⁰ kg	A small virus
10⁻¹⁹

Factor (kg)	Value	Item
10⁻¹⁸ femtogram (fg)
10⁻¹⁷	1.1 kg	Mass equivalent of one joule
10⁻¹⁷	4.6 kg	Mass equivalent of a calorie
10⁻¹⁶	7 kg	Escherichia coli (E. coli) bacterium
10⁻¹⁵ picogram (pg)
10⁻¹⁴
10⁻¹³

Factor (kg)	Value	Item
10⁻¹² nanogram (ng)	10⁻¹² kg	Average human cell (1 nanogram)
10⁻¹¹
10⁻¹⁰	3.5 kg	Small grain of sand (0.063 mm diameter, 350 nanograms)
10⁻⁹ microgram (µg)	2 kg	Mass of human ovum, uncertainty in the mass of the prototype kilogram (2 micrograms)
10⁻⁸	2.2 kg	Planck mass
10⁻⁷

Factor (kg)	Value	Item
10⁻⁶ milligram (mg)	1–2 kg	Typical mass of a mosquito (1–2 milligrams)
10⁻⁵ centigram (cg)	1.1 kg	Large grain of sand (2 mm diameter, 11 milligrams)
10⁻⁴ decigram (dg)	1.5 kg	Typical amount of caffeine in one cup of coffee (150 milligrams)
10⁻⁴ decigram (dg)	2 kg	Metric carat (200 milligrams)
10⁻³ gram (g)	10⁻³ kg	One cubic centimeter of water (1 gram)
10⁻³ gram (g)	8 kg	Typical coins: euro (7.5 grams) and U.S. dollar (8.1 grams)
10⁻² decagram (dag)	1.2–4 kg	Adult mouse (Mus musculus, 12–40 grams)
	2.4 kg	Amount of ethanol in one drink (24 grams)
	2.8 kg	Ounce (avoirdupois) (28.35 grams)
10⁻¹ hectogram (hg)	0.15 kg	Human kidney (150 grams)
10⁻¹ hectogram (hg)	0.454 kg	Pound (avoirdupois) (454 grams)

1 kg and more

Factor (kg)	Value	Item
1 kg kilogram (kg)	1 kg	One litre of water, approx.
	3 kg	Newborn human baby
	4.0 kg	Women's shotput
	5–7 kg	Housecat
	7.26 kg	Men's shotput
10¹	10–30 kg	A CRT computer monitor or television set
	15–20 kg	Medium-sized dog
	70 kg	Adult human; large dog
10²	180–250 kg	Mature lion, female (180 kg) and male (250 kg)
	700 kg	Dairy cow
	907.18474 kg	1 short ton (2000 pounds - U.S.)
10³ megagram (Mg)	1000 kg	Metric ton/tonne; one cubic metre of water
	1016.0469088 kg	Ton (British) / 1 long ton (2240 pounds - U.S.)
	800–1600 kg	Typical passenger automobiles
	3000–7000 kg	Adult elephant
	5000 kg	A teaspoon (5 ml) of white dwarf material (5 tonne)
10⁴	1.1 kg	Hubble Space Telescope (11 tonnes)
	1.2 kg	Largest elephant on record (12 tonnes)
	1.4 kg	Big Ben (Bell) (14 tonnes)
	6.0 kg	Largest Meteorite, Hoba West Meteorite (60 tonnes)
	8–10 kg	Largest known dinosaur, the Argentinosaurus (80–100 tonnes)
10⁵	1.8x10⁵ kg	Largest animal, the blue whale (180 tonnes)
	1.87 kg	International Space Station (187 tonnes)
	6 kg	Antonov An-225 (the world's heaviest aircraft) maximum take-off mass (600 tonnes); payload: 250 tonnes

Factor (kg)	Value	Item
10⁶ gigagram (Gg)	1.25 kg	Trunk of the Giant Sequoia tree named General Sherman (1250 tonnes)
	1.5 kg	Individual gate of the Thames Barrier
	2.041 kg	Launch mass of the Space Shuttle (2041 tonnes)
	6 kg	Largest clonal colony, the quaking aspen named Pando (6000 tonnes)
10⁷	1.1 kg	Annual production of Darjeeling tea (11,000 tonnes)
	2.6 kg	RMS Titanic (26,000 tonnes)
	9.97 kg	Heaviest train ever (99,700 tonnes): Australia's BHP Iron Ore, 2001 record
10⁸	6.5 kg	Largest ship, Knock Nevis, when fully loaded (650,000 tonnes)
10⁹ teragram (Tg)	4.3 kg	Amount of matter converted into energy by the Sun each second
10⁹ teragram (Tg)	6 kg	Great Pyramid of Giza
10¹⁰	6 kg	Amount of concrete in the Three Gorges Dam, the world's largest concrete structure
10¹¹	2 kg	Amount of water stored in London storage reservoirs (0.2 km³)
	3 kg	Total mass of the human world population
	5 kg	Total biomass of Antarctic krill, Euphausia superba, thought to be the most plentiful creature on the planet

Factor (kg)	Value	Item
10¹² petagram (Pg)	3.91 kg	World oil production in 2001
	5.5 kg	A teaspoon (5 ml) of neutron star material (5000 million tonne)
	~1 kg	The mass of a primordial black hole with an evaporation time equal to the age of the universe
10¹³
10¹⁴	2–3 kg	Amount of rock that exploded in the Mount Tambora volcanic eruption in 1815
10¹⁵ exagram (Eg)	1 kg	Estimated total world coal reserves economically accessible using current mining technology
10¹⁶	1 kg	951 Gaspra, the first asteroid ever to be closely approached by a spacecraft
10¹⁷	1.6 kg	Prometheus (moon), a shepherd satellite for the inner edge of Saturn's F Ring.

Factor (kg)	Value	Item
10¹⁸ zettagram (Zg)	5 kg	Earth's atmosphere
10¹⁸ zettagram (Zg)	5.7 kg	Hyperion, a moon of Saturn
10¹⁹	3 kg	3 Juno, the fifth largest asteroid in the main Asteroid Belt
10²⁰	8.7 kg	Ceres, the largest asteroid in the main Asteroid Belt (now officially a dwarf planet)
10²¹ yottagram (Yg)	1.35 kg	Earth's oceans
	1.6 kg	Charon, the moon of Pluto
	2.3 kg	Total mass of the Asteroid Belt
10²²	1.3 kg	Pluto
	1.5 kg	Triton, largest moon of Neptune
	7.35 kg	Earth's Moon
10²³	1.3 kg	Titan, largest moon of Saturn
	1.5 kg	Ganymede, largest moon of Jupiter
	3.2 kg	Mercury
	6.4 kg	Mars

Factor (kg)	Value	Item
10²⁴	4.9 kg	Venus
10²⁴	6.0 kg	The Earth
10²⁵	3.0 kg	Lowest estimate of the mass of the Oort cloud
10²⁵	8.7 kg	Uranus
10²⁶	1.0 kg	Neptune
	5.7 kg	Saturn
	6.0 kg	Highest estimate of the mass of the Oort cloud
10²⁷	1.9 kg	Jupiter
10²⁸	1–17 kg	Brown dwarf stars
10²⁹	3.4 kg	Barnard's Star, a near red dwarf star

Factor (kg)	Value	Item
10³⁰	2 kg	Sun; one solar mass
10³⁰	2.9 kg	Chandrasekhar limit (1.44 solar masses)
10³¹	4 kg	Betelgeuse, a red supergiant star
10³²
10³³
10³⁴
10³⁵

Factor (kg)	Value	Item
10³⁶	7.4 kg	The supermassive black hole at the center of our Galaxy, associated with the radio source Sagittarius A*
10³⁷
10³⁸		Typical mass of a globular cluster
10³⁹
10⁴⁰	3.6 kg	Mass of OJ287, the largest measured supermassive black hole
10⁴¹	3.6 kg	Visible mass of the Milky Way galaxy

Factor (kg)	Value	Item
10⁴²	2 kg	Total mass of the Milky Way galaxy
10⁴³
10⁴⁴
10⁴⁵
10⁴⁶	2 kg	Virgo Supercluster
10⁴⁷
10⁴⁸
10⁴⁹
10⁵⁰
10⁵¹
10⁵²	3 kg	Mass of the observable universe

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