Orders of magnitude (mass)

Factor	Value	Item
10−36	3.6×10−36 kg	Electron neutrino, upper limit on mass (2 eV/c²)
10−35
10−34
10−33
10−32
10−31	9.1×10−31 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 (amu) 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 amu)
	2.99×10−26 kg	Water molecule (18.015 amu)
	7.95×10−26 kg	Titanium atom (47.867 amu)
10−25	1.79×10−25 kg	Silver atom (107.8682 amu)
	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 amu)
	3.45×10−25 kg	Lead-208 atom, the heaviest stable isotope known
10−24 zeptogram (zg)
10−23
10−22	1.1×10−22 kg	Haemoglobin A molecule
10−21 attogram (ag)
10−20	10−20 kg	A small virus
10−19
10−18 femtogram (fg)
10−17	1.1×10−17 kg	Mass equivalent of one joule
	4.6×10−17 kg	Mass equivalent of a calorie
10−16	7×10−16 kg	Escherichia coli bacterium
10−15 picogram (pg)
10−14
10−13
10−12 nanogram (ng)	10−12 kg	Average cell of the human body (1 nanogram)
10−11	1.5×10−11 kg	Lethal dose of botulin toxin (the deadliest substance known) -about 200 pg/kg of body mass, so a 15 ng dose would kill almost anybody.
10−10
10−9 microgram (µg)	2×10−9 kg	Uncertainty in the mass of the prototype kilogram (2 micrograms)
	3×10−9 kg	Small grain of sand (0.063 mm diameter, 3 micrograms)
10−8	2.2×10−8 kg	Planck mass
10−7	10−7 kg	"Hit" of LSD (100 micrograms)
	2×10−7 kg	Lethal dose of ricin (200 micrograms)
10−6 milligram (mg)	1–2×10−6 kg	Typical mass of a mosquito (1–2 milligrams)
10−5	1–3×10−5 kg	Dose of DXM per labeling on most products (10-30 milligrams)
	9×10−5 kg	Large grain of sand (2 mm diameter, 90 milligrams)
10−4	1.5×10−4 kg	Typical amount of caffeine in one cup of coffee (150 milligrams)
	2×10−4 kg	Metric carat (200 milligrams)
	1–2×10−4 kg	Maximum legal caffeine pill in United States (0.1–0.2 grams)
	3×10−4 kg	Hallucinogenic dose for mescaline (0.3 grams)
10−3 gram (g)	10−3 kg	One millilitre of water (1 gram)
	8×10−3 kg	Typical coins: euro (7.5 grams) and U.S. dollar (8.1 grams)
10−2 decagram   (dag)	1×10−2 kg	Lethal dose of caffeine for an adult (10 grams)
	1.2–4×10−2 kg	Adult mouse (Mus musculus, 12–40 grams)
	2.4×10−2 kg	Amount of ethanol in one drink (24 grams)
	2.8×10−2 kg	Ounce (avoirdupois) (28.35 grams)
10−1 hectogram   (Hg)	0.15 kg	Human kidney (150 grams)
	0.454 kg	Pound (avoirdupois) (454 grams)
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
	5–9 kg	Pizote
	7.3 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	100 kg	Quintal (mainly U.S. - other countries have different definitions)
	180–250 kg	Mature lion, female (180 kg) and male (250 kg)
	700 kg	Dairy cow
	907 kg	Short ton (U.S.)
103 megagram (Mg)	1000 kg	Metric ton/tonne; one cubic metre of water
	1016 kg	Ton (British) / 1 long ton (U.S.)
	800–1600 kg	Typical passenger automobiles
	3000–7000 kg	Adult elephant
104	1.1×104 kg	Hubble Space Telescope (11 tonnes)
	1.2×104 kg	Largest elephant on record (12 tonnes)
	1.4×104 kg	Bell of Big Ben (14 tonnes)
	6.0×104 kg	Largest Meteorite, Hoba West Meteorite (60 tonnes)
	8–10×104 kg	Largest known dinosaur, the Argentinosaurus (80–100 tonnes)
105	105 kg	Largest animal, the blue whale (100 tonnes)
	1.87×105 kg	International Space Station (187 tonnes)
	6×105 kg	Antonov An-225 (the world's heaviest aircraft) maximum take-off mass (600 tonnes); payload: 250 tonnes
106 gigagram (Gg)	1.5×106 kg	Individual gate of the Thames Barrier
	2.041×106 kg	Launch mass of the Space Shuttle (2041 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
	1–8×1011 kg	Total biomass of Antarctic krill, Euphausia superba, thought to be the most plentiful creature on the planet
1012 petagram (Pg)	3.91×1012 kg	World oil production in 2001
1013
1014	2–3×1014 kg	Amount of rock that exploded in the Mount Tambora volcanic eruption in 1815
1015 exagram (Eg)	1×1015 kg	Estimated total world coal reserves economically accessible using current mining technology
1016
1017
1018 zettagram (Zg)	5×1018 kg	Earth's atmosphere
1019
1020	8.7×1020 kg	Ceres, the largest asteroid in the main Asteroid Belt
1021 yottagram (Yg)	1.35×1021 kg	Earth's oceans
	1.6×1021 kg	Charon, the moon of Pluto
	2.3×1021 kg	Total mass of the Asteroid Belt
1022	1.2×1022 kg	Pluto
	7.35×1022 kg	Earth's Moon
1023	1.2×1023 kg	Titan, largest moon of Saturn
	1.5×1023 kg	Triton, largest moon of Neptune
	1.5×1023 kg	Ganymede, largest moon of Jupiter
	3.2×1023 kg	Mercury
	6.4×1023 kg	Mars
1024	4.9×1024 kg	Venus
	6.0×1024 kg	The Earth
1025	3.0×1025 kg	Lowest estimate of the mass of the Oort cloud
	8.7×1025 kg	Uranus
1026	1.0×1026 kg	Neptune
	5.7×1026 kg	Saturn
	6.0×1026 kg	Highest estimate of the mass of the Oort cloud
1027	1.9×1027 kg	Jupiter
1028	1–17×1028 kg	Brown dwarf stars
1029
1030	2×1030 kg	Sun; one solar mass
	2.9×1030 kg	Chandrasekhar limit (1.44 solar masses)
1031	4×1031 kg	Betelgeuse, a red supergiant star
1032
1033
1034
1035
1036	2×1036 kg	Sagittarius A*, the supermassive black hole at the center of our Galaxy
1037
1038		Typical mass of a globular cluster
1039
1040
1041	3.6×1041 kg	Visible mass of the Milky Way galaxy
1042	2×1042 kg	Total mass of the Milky Way galaxy
1043
1044
1045
1046	2×1046 kg	Virgo Supercluster
1047
1048
1049
1050
1051
1052	2×1052 kg	Mass of a critical density Universe
	3×1052 kg	Mass of the observable universe