Orders of magnitude (mass)
Template:Short description Template:DMCA To help compare different orders of magnitude, the following lists describe various mass levels between 10−67 kilograms (kg) and 1052 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe. Typically, an object having greater mass will also have greater weight (see mass versus weight), especially if the objects are subject to the same gravitational field strength.
Units of mass
| Submultiples | Multiples | ||||
|---|---|---|---|---|---|
| Value | SI symbol | Name | Value | SI symbol | Name |
| 10−1 g | dg | decigram | 101 g | dag | decagram |
| 10−2 g | cg | centigram | 102 g | hg | hectogram |
| 10−3 g | mg | milligram | 103 g | kg | kilogram |
| 10−6 g | μg | microgram (mcg) | 106 g | Mg | megagram (tonne) |
| 10−9 g | ng | nanogram | 109 g | Gg | gigagram |
| 10−12 g | pg | picogram | 1012 g | Tg | teragram |
| 10−15 g | fg | femtogram | 1015 g | Pg | petagram |
| 10−18 g | ag | attogram | 1018 g | Eg | exagram |
| 10−21 g | zg | zeptogram | 1021 g | Zg | zettagram |
| 10−24 g | yg | yoctogram | 1024 g | Yg | yottagram |
| 10−27 g | rg | rontogram | 1027 g | Rg | ronnagram |
| 10−30 g | qg | quectogram | 1030 g | Qg | quettagram |
| Common prefixes are in bold face.[1] | |||||
The table above is based on the kilogram, the base unit of mass in the International System of Units (SI). The kilogram is the only standard unit to include an SI prefix (kilo-) as part of its name. The gram (10−3 kg) is an SI derived unit of mass. However, the names of all SI mass units are based on gram, rather than on kilogram; thus 103 kg is a megagram (106 g), not a *kilokilogram.
The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 103 kg. The unit is in common use for masses above about 103 kg and is often used with SI prefixes. For example, a gigagram (Gg) or 109 g is 103 tonnes, commonly called a kilotonne.
Other units
Other units of mass are also in use. Historical units include the stone, the pound, the carat, and the grain.
For subatomic particles, physicists use the mass-equivalent of an electronvolt (eV). At the atomic level, chemists use the mass of one-twelfth of a carbon-12 atom (the dalton). Astronomers use the mass of the sun (M☉).
The least massive things: below 10−24 kg
Unlike other physical quantities, mass–energy does not have an a priori expected minimal quantity, or an observed basic quantum as in the case of electric charge. Planck's law allows for the existence of photons with arbitrarily low energies. Consequently, there can only ever be an experimental upper bound on the mass of a supposedly massless particle; in the case of the photon, this confirmed upper bound is of the order of 3×10−27 eV/c2 = 10−62 kg.
| Factor (kg) | Value | Item |
|---|---|---|
| 10−67 | 1.07Template:E kg | Graviton, upper bound (6Template:E eV/c2)[2] |
| 10−40 | 4.2Template:E kg | Mass equivalent of the energy of a photon at the peak of the spectrum of the cosmic microwave background radiation (0.235 meV/c2)[3] |
| 10−36 | 1.8Template:E kg | 1 eV/c2, the mass equivalent of one electronvolt[4] |
| 3.6Template:E kg | Electron neutrino, upper limit on mass (2 eV/c2)[5] | |
| 10−33 quectogram (qg) |
||
| 10−31 | 9.11Template:E kg | Electron (511 keV/c2), the lightest elementary particle with a measured nonzero rest mass[6] |
| 10−30 rontogram (rg) |
3.0–5.5Template:E kg | Up quark (as a current quark) (1.7–3.1 MeV/c2)[7] |
| 10−28 | 1.9Template:E kg | Muon (106 MeV/c2)[8] |
| 10−27 yoctogram (yg) |
1.661Template:E kg | Dalton (Da), a.k.a. unified atomic mass unit (u) |
| 1.673Template:E kg | Proton (938.3 MeV/c2)[9][10] | |
| 1.674Template:E kg | Hydrogen atom, the lightest atom | |
| 1.675Template:E kg | Neutron (939.6 MeV/c2)[11][12] | |
| 10−26 | 1.2Template:E kg | Lithium atom (6.941 Da) |
| 3.0Template:E kg | Water molecule (18.015 Da) | |
| 8.0Template:E kg | Titanium atom (47.867 Da) | |
| 10−25 | 1.1Template:E kg | Copper atom (63.546 Da) |
| 1.6Template:E kg | Z boson (91.2 GeV/c2)[13] | |
| 2.2Template:E kg | Higgs boson (125 GeV/c2) | |
| 3.1Template:E kg | Top quark (173 GeV/c2),[14] the heaviest known elementary particle | |
| 3.2Template:E kg | Caffeine molecule (194 Da) | |
| 3.5Template:E kg | Lead-208 atom | |
| 4.9Template:E kg | Oganesson-294 atom, the heaviest known nuclide |
10−24 to 10−18 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 10−24 zeptogram (zg) |
1.2Template:E kg | Buckyball molecule (720 Da) |
| 10−23 | 1.4Template:E kg | Ubiquitin, a small ubiquitous protein (8.6 kDa)[15] |
| 5.5Template:E kg | A typical protein (median size of roughly 300 amino acids ≈ 33 kDa)[16] | |
| 10−22 | 1.1Template:E kg | Haemoglobin A molecule in blood (64.5 kDa)[17] |
| 10−21 attogram (ag) |
1.65Template:E kg | Double-stranded DNA molecule consisting of 1,578 base pairs (995 kDa)[18] |
| 4.3Template:E kg | Prokaryotic ribosome (2.6 MDa)[19] | |
| 7.1Template:E kg | Eukaryotic ribosome (4.3 MDa)[19] | |
| 7.6Template:E kg | Brome mosaic virus, a small virus (4.6 MDa)[20] | |
| 10−20 | 3Template:E kg | Synaptic vesicle in rats (16.1 ± 3.8 MDa)[21] |
| 6.8Template:E kg | Tobacco mosaic virus (41 MDa)[22] | |
| 10−19 | 1.1Template:E kg | Nuclear pore complex in yeast (66 MDa)[23] |
| 2.5Template:E kg | Human adenovirus (150 MDa)[24] |
10−18 to 10−12 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 10−18 femtogram (fg) |
1Template:E kg | HIV-1 virus[25][26] |
| 4.7Template:E kg | DNA sequence of length 4.6 Mbp, the weight of the E. coli genome[27] | |
| 10−17 | ~1Template:E kg | Vaccinia virus, a large virus[28] |
| 1.1Template:E kg | Mass equivalent of 1 joule[29] | |
| 10−16 | 3Template:E kg | Prochlorococcus cyanobacteria, the smallest (and possibly most plentiful)[30] photosynthetic organism on Earth[31][32] |
| 10−15 picogram (pg) |
1Template:E kg | E. coli bacterium (wet weight)[33] |
| 6Template:E kg | DNA in a typical diploid human cell (approximate) | |
| 10−14 | 2.2Template:E kg | Human sperm cell[32][34] |
| 6Template:E kg | Yeast cell (quite variable)[35][36] | |
| 10−13 | 1.5Template:E kg | Dunaliella salina, a green alga (dry weight)[37] |
10−12 to 10−6 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 10−12 nanogram (ng) |
1Template:E kg | Average human cell (1 nanogram)[38] |
| 2–3Template:E kg | HeLa human cell[39][40][41] | |
| 8Template:E kg | Grain of birch pollen[42] | |
| 10−11 | ||
| 10−10 | 2.5Template:E kg | Grain of maize pollen[43] |
| 3.5Template:E kg | Very fine grain of sand (0.063 mm diameter, 350 nanograms) | |
| 10−9 microgram (μg) |
3.6Template:E kg | Human ovum[32][44] |
| 2.4Template:E kg | US RDA for vitamin B12 for adults[45] | |
| 10−8 | 10−8 kg | Speculated approximate lower limit of the mass of a primordial black hole |
| 1.5×10−8 kg | US RDA for vitamin D for adults[46] | |
| ~2Template:E kg | Uncertainty in the mass of the International Prototype of the Kilogram (IPK) (±~20 μg)[47] | |
| 2.2Template:E kg | Planck mass,[48] can be expressed as the mass of a 2 Planck Length radius black hole | |
| ~7Template:E kg | One eyelash hair (approximate)[49] | |
| 10−7 | 1.5Template:E kg | US RDA for iodine for adults[50] |
| 2–3Template:E kg | Fruit fly (dry weight)[51][52] |
10−6 to 1 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 10−6 milligram (mg) |
2.5Template:E kg | Mosquitoes, common smaller species (about 2.5 milligrams),[53] grain of salt or sand,[54] medicines are typically expressed in milligrams[55] |
| 10−5 centigram (cg) |
1.1Template:E kg | Small granule of quartz (2 mm diameter, 11 milligrams)[56] |
| 2Template:E kg | Adult housefly (Musca domestica, 21.4 milligrams)[57] | |
| 10−4 decigram (dg) |
0.27–2.0Template:E kg | Range of amounts of caffeine in one cup of coffee (27–200 milligrams)[58] |
| 1.5Template:E kg | A frame of 35mm motion picture film (157 milligrams)[59] | |
| 2Template:E kg | Metric carat (200 milligrams)[59] | |
| 10−3 gram (g) |
1Template:E kg | One cubic centimeter of water (1 gram)[60] |
| 1Template:E kg | US dollar bill (1 gram)[61] | |
| ~1Template:E kg | Two raisins (approximately 1 gram)[62] | |
| ~8Template:E kg | Coins of one euro (7.5 grams),[63] one US dollar (8.1 grams)[64] and one Canadian loonie (7 grams [pre-2012], 6.27 grams [2012-])[65] | |
| 10−2 decagram (dag) |
1.2Template:E kg | Mass of one mole ([[Avogadro constant|6.02214Template:E]] atoms) of carbon-12 (12 grams) |
| 1.37Template:E kg | Amount of ethanol defined as one standard drink in the US (13.7 grams)[66] | |
| 2–4Template:E kg | Adult mouse (Mus musculus, 20–40 grams)[67] | |
| 2.8Template:E kg | Ounce (avoirdupois) (28.3495 grams)[59] | |
| 4.7Template:E kg | Mass equivalent of the energy that is 1 megaton of TNT equivalent[59][68] | |
| 10−1 hectogram (hg) |
0.1-0.2 kg | An orange (100–200 grams)[69] |
| 0.142-0.149 kg | A baseball used in the major league.[70] | |
| 0.454 kg | Pound (avoirdupois) (453.6 grams)[59] | |
| 0.9 kg | Microraptor, a small, four-winged dinosaur |
1 kg to 105 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1 kg kilogram (kg) |
1 kg | One litre (0.001 m3) of water[71] |
| 1–3 kg | Smallest breed of dog (Chihuahua)[72] | |
| 1–3 kg | Typical laptop computer, 2010[73] | |
| 1–3 kg | Adult domestic tortoise | |
| 2.5–4 kg | Newborn human baby[74] | |
| 4.0 kg | Women's shot[75] | |
| 4–5 kg | Housecat[76] | |
| 7.26 kg | Men's shot[75] | |
| 101 | 9–27 kg | Medium-sized dog[77] |
| 31.5 kg | Average weight of a CRT television in 2007[78] | |
| 50 kg | Large dog breed (Great Dane) | |
| 70 kg | Adult human[79] | |
| 102 | 130–180 kg | Mature lion, female (130 kg) and male (180 kg)[80] |
| 200–250 kg | Giant tortoise | |
| 240–450 kg | Grand piano[81][82] | |
| 400–900 kg | Dairy cow[83] | |
| 500–500,000 kg | A teaspoon (5 ml) of white dwarf material (0.5–500 tonnes)[84][85] | |
| 635 kg | Heaviest human in recorded history (Jon Brower Minnoch) | |
| 907.2 kg | 1 short ton (2,000 pounds - US)[59] | |
| 103 megagram (Mg) |
1000 kg | 1 tonne (US spelling: metric ton)[59] |
| 1000 kg | 1 cubic metre of water[71] | |
| 1016.05 kg | Ton (British) / 1 long ton (2,240 pounds - US)[59] | |
| 1300–1600 kg | Typical passenger cars[86] | |
| 2700–6000 kg | Adult elephant[87] | |
| 104 | 1.1Template:E kg | Hubble Space Telescope (11 tonnes)[88] |
| 1.2Template:E kg | Largest elephant on record (12 tonnes)[89] | |
| 1.4Template:E kg | Big Ben (bell) (14 tonnes)[90] | |
| 2.7Template:E kg | ENIAC computer, 1946 (30 tonnes)[91] | |
| 4Template:E kg | Maximum gross mass (truck + load combined) of a semi-trailer truck in the EU (40–44 tonnes)[92] | |
| 5Template:E–6Template:E kg | Tank; Bulldozer (50–60 tonnes) | |
| 6.0Template:E kg | Largest single-piece meteorite, Hoba West Meteorite (60 tonnes)[93] | |
| 7.3Template:E kg | Largest dinosaur, Argentinosaurus (73 tonnes)[94] | |
| 105 | 1.74-1.83Template:E kg | Operational empty weight of a Boeing 747-300 |
| 1.8Template:E kg | Largest animal ever, a blue whale (180 tonnes)[95] | |
| 4.2Template:E kg | International Space Station (417 tonnes)[96] | |
| 6Template:E kg | World's heaviest aircraft: Antonov An-225 (maximum take-off mass: 600 tonnes, payload: 250 tonnes)[97] |
106 to 1011 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 106 gigagram (Gg) |
1Template:E kg | Trunk of the giant sequoia tree named General Sherman, largest living tree by trunk volume (1,121 tonnes)[98] |
| 2.0Template:E kg | Launch mass of the Space Shuttle (2,041 tonnes)[99] | |
| 6Template:E kg | Largest clonal colony, the quaking aspen named Pando (largest living organism) (6,000 tonnes)[100] | |
| 7.8Template:E kg | Virginia-class nuclear submarine (submerged weight)[101] | |
| 107 | 1Template:E kg | Annual production of Darjeeling tea[102] |
| 5.2Template:E kg | RMS Titanic when fully loaded (52,000 tonnes)[103] | |
| 9.97Template:E kg | Heaviest train ever: Australia's BHP Iron Ore, 2001 record (99,700 tonnes)[104] | |
| 108 | 6.6Template:E kg | Largest ship and largest mobile man-made object, Seawise Giant, when fully loaded (660,000 tonnes)[105] |
| 7Template:E kg | Heaviest (non-pyramid) building, Palace of the Parliament in Bucharest, Romania[106] | |
| 109 teragram (Tg) |
4.3Template:E kg | Amount of matter converted into energy by the Sun each second[107] |
| 6Template:E kg | Great Pyramid of Giza[108] | |
1010
|
6Template:E kg | Amount of concrete in the Three Gorges Dam, the world's largest concrete structure[109][110] |
| 1011 | ~1Template:E kg | The mass of a primordial black hole with an evaporation time equal to the age of the universe[111] |
| 2Template:E kg | Amount of water stored in London storage reservoirs (0.2 km3)[112] | |
| 6Template:E kg | Total mass of the world's human population[113] | |
| 5Template:E kg | Total biomass of Antarctic krill, one of the most plentiful animal species on the planet in terms of biomass[114] |
1012 to 1017 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1012 petagram (Pg) |
0.8–2.1Template:E kg | Global biomass of fish[115] |
| 4Template:E kg | Global annual human food production[116] | |
| 4Template:E kg | World crude oil production in 2009 (3,843 Mt)[117] | |
| 5.5Template:E kg | A teaspoon (5 ml) of neutron star material (5,000 million tonnes)[118] | |
| 1013 | 1Template:E kg | Mass of comet 67P/Churyumov–Gerasimenko[119] |
| 4Template:E kg | Global annual human carbon dioxide emission[120][121] | |
| 1014 | 1.05Template:E kg | Global net primary production – the total mass of carbon fixed in organic compounds by photosynthesis each year on Earth[122] |
| 7.2Template:E kg | Total carbon stored in Earth's atmosphere[123] | |
| 1015 exagram (Eg) |
2.0Template:E kg | Total carbon stored in the terrestrial biosphere[124] |
| 3.5Template:E kg | Total carbon stored in coal deposits worldwide[125] | |
| 1016 | 1Template:E kg | 951 Gaspra, the first asteroid ever to be closely approached by a spacecraft (rough estimate)[126] |
| 1Template:E kg | Rough estimate of the total carbon content of all organisms on Earth.[127] | |
| 3Template:E kg | Rough estimate of everything produced by the human species.[128] | |
| 3.8Template:E kg | Total carbon stored in the oceans.[129] | |
| 1017 | 1.6Template:E kg | Prometheus, a shepherd satellite for the inner edge of Saturn's F Ring[130] |
1018 to 1023 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1018 zettagram (Zg) |
5.1Template:E kg | Earth's atmosphere[131] |
| 5.6Template:E kg | Hyperion, a moon of Saturn[130] | |
| 1019 | 3Template:E kg | 3 Juno, one of the larger asteroids in the asteroid belt[132] |
| 3Template:E kg | The rings of Saturn[133] | |
| 1020 | 9.4Template:E kg | Ceres, dwarf planet within the asteroid belt[134] |
| 1021 yottagram (Yg) |
1.4Template:E kg | Earth's oceans[135] |
| 1.5Template:E kg | Charon, the largest moon of Pluto[136] | |
| 2.9–3.7Template:E kg | The asteroid belt[137] | |
| 4Template:E kg | Haumea[138] | |
| 1022 | 1.3Template:E kg | Pluto[136] |
| 2.1Template:E kg | Triton, largest moon of Neptune[139] | |
| 2.7Template:E kg | Earth's crust[140] | |
| 7.3Template:E kg | Earth's Moon[141] | |
| 1023 | 1.3Template:E kg | Titan, largest moon of Saturn[142] |
| 1.5Template:E kg | Ganymede, largest moon of Jupiter[143] | |
| 3.3Template:E kg | Mercury[144] | |
| 6.4Template:E kg | Mars[145] |
1024 to 1029 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1024 ronnagram (Rg) |
4.9Template:E kg | Venus[146] |
| 6.0Template:E kg | Earth[147] | |
| 1025 | 3Template:E kg | Oort cloud[148] |
| 8.7Template:E kg | Uranus[149] | |
| 1026 | 1.0Template:E kg | Neptune[150] |
| 5.7Template:E kg | Saturn[151] | |
| 1027 quettagram (Qg) |
1.9Template:E kg | Jupiter[152] |
| 1028 | 2–14Template:E kg | Brown dwarfs (approximate)[153] |
| 1029 | 3Template:E kg | Barnard's Star, a nearby red dwarf[154] |
1030 to 1035 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1030 | 2Template:E kg | The Sun[155] (one solar mass or M☉ = 1.989Template:E kg) |
| 2.8Template:E kg | Chandrasekhar limit (1.4 M☉)[156][157] | |
| 1031 | 4Template:E kg | Betelgeuse, a red supergiant star (20 M☉)[158] |
| 1032 | 4–7Template:E kg | R136a1, the most massive of known stars (230 to 345 M☉)[159] |
| 6–8Template:E kg | Hyades star cluster (300 to 400 M☉)[160] | |
| 1033 | 1.6Template:E kg | Pleiades star cluster (800 M☉)[161] |
| 1034 | ||
| 1035 | ~1035 kg | Typical globular cluster in the Milky Way (overall range: 3Template:E to 4Template:E M☉)[162] |
| 2Template:E kg | Low end of mass range for giant molecular clouds (1Template:E to 1Template:E M☉)[163][164] | |
| 7.3Template:E kg | Jeans mass of a giant molecular cloud at 100 K and density 30 atoms per cubic centimeter;[165] possible example: Orion molecular cloud complex |
1036 to 1041 kg
| Factor (kg) | Value | Item |
|---|---|---|
| 1036 | 1.79Template:E kg | The entire Carina complex. |
| 2.4Template:E kg | The Gould Belt of stars, including the Sun (1.2Template:E M☉)[166] | |
| 7–8Template:E kg | The supermassive black hole at the center of the Milky Way, associated with the radio source Sagittarius A* (3.7±0.2Template:E M☉)[167] | |
| 8Template:E kg | Omega centauri, the largest globular cluster in the Milky Way, containing approximately 10 million stars. | |
| 1037 | ||
| 1038 | ||
| 1039 | ||
| 1040 | ||
| 1041 | 1.98Template:E kg | Phoenix A, the largest supermassive black hole, weighing 100 billion solar masses (1Template:E M☉) |
| 4Template:E kg | Visible mass of the Milky Way galaxy[168] |
The most massive things: 1042 kg and greater
| Factor (kg) | Value | Item |
|---|---|---|
| 1042 | 1.2Template:E kg | Milky Way galaxy (5.8Template:E M☉)[169] |
| 2–3Template:E kg | Local Group of galaxies, including the Milky Way (1.29±0.14Template:E M☉)[169] | |
| 1043 | 5.37Template:E kg | ESO 146-5, the heaviest known galaxy in the universe[170] |
| 1044 | ||
| 1045 | 1–2Template:E kg | Local or Virgo Supercluster of galaxies, including the Local Group (1Template:E M☉)[171] |
| 1046 | ||
| 1047 | 2Template:E kg | Laniakea Supercluster of galaxies, which encompasses the Virgo supercluster |
| 1048 | 2Template:E kg | Pisces–Cetus Supercluster Complex, a galaxy filament that includes the Laniakea Supercluster. |
| 1049 | 4Template:E kg | Hercules–Corona Borealis Great Wall, the largest structure in the known universe |
| 1050 | ||
| 1051 | ||
| 1052 | 4.4506Template:E kg | Mass of the observable universe as estimated by NASA |
| 1.4Template:E kg | Mass of the observable universe as estimated by the US National Solar Observatory[172] |
See also
Notes
Page Template:Reflist/styles.css has no content.
- ^ Criterion: A combined total of at least 250,000 Google hits on both the modern spelling (Template:Nbhyphgram) and the dated British spelling (Template:Nbhyphgramme).
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- ^ Page Module:Citation/CS1/styles.css has no content."CODATA Value: neutron mass". The NIST Reference on Constants, Units, and Uncertainty. NIST. Retrieved 23 August 2011.
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- ^ From attograms to Daltons: Cornell NEMS device detects the mass of a single DNA molecule [1]. Retrieved 2010-10-14
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- ^ Page Module:Citation/CS1/styles.css has no content.Liu, H.; Jin, L.; Koh, S. B. S.; Atanasov, I.; Schein, S.; Wu, L.; Zhou, Z. H. (2010). "Atomic Structure of Human Adenovirus by Cryo-EM Reveals Interactions Among Protein Networks" (PDF). Science. 329 (5995): 1038–1043. Bibcode:2010Sci...329.1038L. doi:10.1126/science.1187433. PMC 3412078. PMID 20798312.
- ^ Page Module:Citation/CS1/styles.css has no content."Virus diameter of HIV-1 - HIV". BioNumbers. Retrieved 1 November 2011.
- ^ Calculated : volume = 4/3 × π × (126e−9 m / 2)3 = 1.05e−21 m3. Assume density = 1 g/cm3 => mass = 1.05e−21 m3 × 1e3 kg/m3 = 1.05e−18 kg
- ^ Page Module:Citation/CS1/styles.css has no content.Frederick R. Blattner; Guy Plunkett III; et al. (1997). "The Complete Genome Sequence of Escherichia coli K-12". Science. 277 (5331): 1453–1462. doi:10.1126/science.277.5331.1453. PMID 9278503.
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- ^ Page Module:Citation/CS1/styles.css has no content."Prochlorococcus marinus MIT 9313 - Home". Joint Genome Institute. Archived from the original on 20 May 2015. Retrieved 1 November 2011.
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- ^ a b c Mass calculated from volume assuming density of 1 g/mL
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- ^ M. R. Curry, J. D. Millar, S. M. Tamuli & P. F. Watson, "Surface Area & Volume Measurements for Ram & Human Spermatozoa," Biology of Reproduction, 55, 6 (1996‑12‑01): 1325–32.
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- ^ Page Module:Citation/CS1/styles.css has no content.""Rule of thumb" for cell mass". BioNumbers. Retrieved 9 October 2011.
- ^ Page Module:Citation/CS1/styles.css has no content."Cell dry weight - Green algae Dunaliella salina". BioNumbers. Retrieved 14 October 2011.
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if we estimate the average weight of a human cell as about 10^-9 g
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- ^ Page Module:Citation/CS1/styles.css has no content."Estimated HeLa cell mass". BioNumbers. Retrieved 9 October 2011.
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- ^ Page Module:Citation/CS1/styles.css has no content.Schäppi, G. F.; Suphioglu, C.; Taylor, P. E.; Knox, R. B. (1997). "Concentrations of the major birch tree allergen Bet v 1 in pollen and respirable fine particles in the atmosphere". Journal of Allergy and Clinical Immunology. 100 (5): 656–661. doi:10.1016/S0091-6749(97)70170-2. PMID 9389296. "the total pollen grain mass of approximately 7.85 ng"
- ^ Page Module:Citation/CS1/styles.css has no content.Fonseca, A. E.; Westgate, M. E.; Grass, L.; Dornbos, J. (2003). "Tassel Morphology as an Indicator of Potential Pollen Production in Maize". Crop Management. 2: 1–15. doi:10.1094/CM-2003-0804-01-RS. Archived from the original on 31 March 2013. Retrieved 28 August 2015. "The dry weight of individual pollen grains has been estimated at 250 ng"
- ^ Page Module:Citation/CS1/styles.css has no content."Volume of human oocyte - Human Homo sapiens". BioNumbers. Retrieved 1 November 2011.
- ^ Page Module:Citation/CS1/styles.css has no content."Dietary Supplement Fact Sheet: Vitamin B12". Office of Dietary Supplements. Retrieved 2 October 2011.
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- ^ Report to the CGPM, 14th meeting of the Consultative Committee for Units (CCU), April 2001, 2. (ii); General Conference on Weights and Measures, 22nd Meeting, October 2003, which stated "The kilogram is in need of a new definition because the mass of the prototype is known to vary by several parts in 108 over periods of time of the order of a month ..." (3.2 MB ZIP file, here).
- ^ Page Module:Citation/CS1/styles.css has no content."CODATA Value: Planck mass". The NIST Reference on Constants, Units, and Uncertainty. NIST. Retrieved 30 September 2011.
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Smaller species found around houses commonly weigh about 2.5 milligrams.
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- ^ Quartz has a density of 2.65. Mass = Volume × Density = (4/3 × π × (1e−3 m)3) × (2.65 × 1e3 kg/m3) = 1.1e−5 kg.
- ^ Page Module:Citation/CS1/styles.css has no content.Price, G. M. (1961). "Some Aspects of Amino Acid Metabolism in the Adult Housefly, Musca domestica". Biochem. J. 80 (2): 420–8. doi:10.1042/bj0800420. PMC 1244018. PMID 16748919.
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weight (g): 7.5
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- ^ Calculated: 1e6 tons of TNT-equivalent × 4.184e9 J/ton of TNT-equivalent × 1.1e−17 kg of mass-equivalent/J = 4.7e−2 kg of mass-equivalent
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- ^ Christina Lee, "Mass of a Baseball", The Physics Factbook, 1999. Retrieved 2018-07-04
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907 g ... 2722 g
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2.0 lbs ... > 6 lbs
- ^ Page Module:Citation/CS1/styles.css has no content."Baby birth weight Information". Archived from the original on 29 November 2011. Retrieved 14 December 2011.
2500 g ... 4000 g
- ^ a b Page Module:Citation/CS1/styles.css has no content."Shot Put - Introduction". IAAF. Retrieved 12 December 2011.
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medium (30lbs to 60lbs)
- ^ Page Module:Citation/CS1/styles.css has no content.Kalmykova, Yuliya; Patrício, João; Rosado, Leonardo; Berg, P. Eo (December 2015). "Out with the old, out with the new – The effect of transitions in TVs and monitors technology on consumption and WEEE generation in Sweden 1996–2014". Waste Management. 46: 511–522. doi:10.1016/j.wasman.2015.08.034.
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70 kg
- ^ Page Module:Citation/CS1/styles.css has no content.Nowell, Kristin; Jackson, Peter (1996). "Panthera Leo" (PDF). Wild Cats: Status Survey and Conservation Action Plan. Gland, Switzerland: IUCN/SSC Cat Specialist Group. p. 17. ISBN 978-2-8317-0045-8.
adult males (>4 years) 181 kg (n=14) and females 126 kg (n=25)
- ^ Page Module:Citation/CS1/styles.css has no content."GRAND PIANO GUIDE TO STEINWAY AND INDUSTRY STANDARD SIZES". Bluebook of Pianos. Retrieved 13 December 2011.
540 lbs ... 990 lbs
- ^ Calculated: 540 lbs × 0.4536 kg/lb = 240 kg. 990 lb × 0.4536 kg/lb = 450 kg.
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- ^ Using the quoted density of 1e5 to 1e8 kg/m3 for white dwarf material, 1 teaspoon = 5mL = 5e−3 m3 has a calculated mass of: Low end: 5e−3 m3 × 1e5 kg/m3 = 5e2 kg High end: 5e−3 m3 × 1e8 kg/m3 = 5e5 kg
- ^ Page Module:Citation/CS1/styles.css has no content."Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 Through 2016" (PDF). United States Environmental Protection Agency. EPA-420-R-16-010: 28, 30. November 2016. Retrieved 2 November 2017.
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- ^ The average density of material in a neutron star of radius 10 km is 1.1×1012 kg cm−3. Therefore, 5 ml of such material is 5.5×1012 kg, or 5 500 000 000 t. This is about 15 times the total mass of the human world population. Alternatively, 5 ml from a neutron star of radius 20 km radius (average density 8.35×1010 kg cm−3) has a mass of about 400 Mt, or about the mass of all humans.
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External links
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