Orders of magnitude (area)

File:Comparison of units of area.png

Image comparing various units: square mile (the entire yellow square), square kilometre, hectare and acre, as well as a soccer field and a Manhattan block.

File:1 km2.svg

An area of one square kilometre consists of 100 hectares each containing 10,000 square metres.

This page is a progressive and labelled list of the SI area orders of magnitude, with certain examples appended to some list objects.

Template:10^ to Template:10^ square metres

List of orders of magnitude for area Template:10^ to Template:10^ square metres

Factor (m2)	Multiple	Value	Item
Template:10^		2.6Template:E m2	Planck area, <math>\frac{G \hbar}{c^3}</math><ref>Calculated: square of the Planck length = (1.62e-35 m)^2 = 2.6e-70 m^2</ref>
Template:10^	1 square quectometre
Template:10^	1 square rontometre
Template:10^		100 rm2	1 shed<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
Template:10^	1 square yoctometre (ym2)	1 ym2
Template:10^		100,000 ym2	1 femtobarn<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−42	1 square zeptometre (zm2)	1 zm2
10−36	1 square attometre (am2)	1 am2
10−30	1 square femtometre (fm2)	1 fm2
10−29		66.52 fm2	Thomson cross-section of the electron<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−28		100 fm2	1 barn, roughly the cross-sectional area of a uranium nucleus<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−24	1 square picometre (pm2)	1 pm2
10−20	1 square angstrom (Å2)	10,000 pm2
10−19		100,000 pm2	Area of a lipid bilayer, per molecule<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		75,000–260,000 pm2	Surface area of the 20 standard amino acids<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−18	1 square nanometre (nm2)	1 nm2
10−16		100 nm2	Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable)<ref>Template:Cite journal</ref>
10−14		17,000 nm2	Cross-sectional area of a nuclear pore complex in vertebrates<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−12	1 square micrometre (μm2)	6 μm2	Surface area of an E. coli bacterium<ref name=ccdb_e_coli>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
10−10		100 μm2	Surface area of a red blood cell<ref>Template:Cite journal</ref>
10−9		6,000–110,000 μm2	Range of common LCD screen pixel sizes<ref>Calculated: Smallest and largest common pitches were 77 micrometers and 337 micrometers. (77e-6 m)^2 ~= 6e-9 m^2. (337e-6 m)^2 ~= 114e-9 m^2 ~= 110e-9 m^2</ref>
		7,000 μm2	Area of a dot printed using 300 dots per inch resolution<ref>Calculated: (300 dots per inch / 2.54e-2 m/inch)^(-2) = 7.2e-9 m^2</ref>
		8,000 μm2	Cross-sectional area of a straight human hair that is 100 μm<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref> in diameter<ref>Calculated: 100 μm in diameter => pi * ((1e-4 m)/2)**2 = 7.9e-9 m^2</ref>

10⁻⁸ to 10⁻¹ square metres

List of orders of magnitude for areas 10⁻⁸ to 10⁻¹ square metres

Factor (m2)	Multiple	Value	Item
10−8		55,000 μm2	Size of a pixel on a typical modern computer display
10−7		2-400,000 μm2	Cross-sectional area of a mechanical pencil lead (0.5-0.7 mm in diameter)<ref>Calculated: pi * (0.5mm/2)^2 = 2.0e-7 m^2 and pi * (0.7mm/2)^2 = 3.8e-7 m^2)</ref>
10−6	1 square millimetre (mm2)	1–2 mm2	Area of a human fovea<ref name="Webvision_retina">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		2 mm2	Area of the head of a pin
10−5		30–50 mm2	Area of a 6–8 mm hole punched in a piece of paper by a hole punch<ref>Calculated: ((6e-3 m)/2)**2 * pi = 2.8e-5 m^2 and ((8e-3 m)/2)**2 * pi = 5.0e-5 m^2</ref>
10−4	1 square centimetre (cm2)	290 mm2	citation	CitationClass=web }}</ref><ref>Calculated: area = pi * diameter^2 / 4 = 3.14 * (19.05e-3 m)^2 = 2.850e-4 m^2</ref>
		500 mm2	Area of a typical postage stamp
10−3		1,100 mm2	Area of a human retina<ref>Template:Cite journal</ref>
		4,600 mm2	Area of the face of a credit card<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		10−2	1 square decimetre (dm2)	10,000 mm2	Index card (3 × 5 inches)<ref>Calculated: 3 inches * 5 inches * (2.54e-2 m/inch)^2 = 9.7e-3 m^2 ~= 0.01 m^2</ref>
60,000 mm2	American letter paper (11 × 8.5 inches, "A" size)
62,370 mm2	International A4 paper (210 × 297 mm)
92,903 mm2	1 square foot<ref>Calculated: 1 foot * 1 foot * (0.3048 meters / foot)^2 = 0.092.90304 m^2</ref>
10−1		125,000 mm2	International A3 paper (297 × 420 mm)
		180,000 mm2	Surface area of a basketball (diameter 24 cm)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Calculated: 29.5-29.75 inch circumference * 2.54 cm / in = 23.85-24.05 cm diameter => radius = 0.119-0.120 m => Area = 4 * pi * (0.119 m)^2 = 0.18 m^2</ref>
		250,000 mm2	International A2 paper (420 × 594 mm)
		500,000 mm2	International A1 paper (594 × 841 mm)

10⁰ to 10⁷ square metres

List of orders of magnitude for areas 10⁰ to 10⁷ square metres.

Factor (m2)	Multiple	Value	Item
100	1 square metre	1 m2	International A0 paper (841 × 1189 mm)
		1.73 m2	A number commonly used as the average body surface area of a human<ref>Template:Cite journal</ref>
		1–4 m2	Area of the top of an office desk
101		10–20 m2	A parking space
		70 m2	Approximate surface area of a human lung<ref>Template:Cite book</ref>
102	1 square decametre (dam2)	100 m2	One are (a)
		162 m2	Size of a volleyball court (18 × 9 metres)<ref>Template:Cite book</ref>
		202 m2	Floor area of a median suburban three-bedroom house in the US in 2010: Template:Convert<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		261 m2	Size of a tennis court<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		437 m2	Size of an NBA/WNBA/NCAA basketball court<ref>Calculated: 4,700 sq ft * (0.3048 ft/m)2 = 436.644288 m2</ref>
		845 m2	Wing area of Airbus A380, the largest commercial airliner<ref name=prestigeSpecs>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		978 m2	Size of the primary mirror of the Extremely Large Telescope, the largest optical telescope in the world (under construction)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
103	1 kilo square meter k(m2)	1,000 m2	Surface area of a modern stremma or dunam
		1,250 m2	Surface area of the water in an Olympic-size swimming pool<ref>Calculated: 50 m * 25 m = 1250 m^2</ref>
		4,047 m2	1 acre<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		5,400 m2	Size of an American football field<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Calculated: 360 feet * 160 feet * (0.3048 m/ft)^2 = 5351 m^2 ~= 5400 m^2</ref>
		7,140 m2	Size of a typical football (soccer) field<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Calculated: 105 m * 68 m = 7140 m^2</ref>
104	1 square hectometre (hm2)	10,000 m2	1 hectare (ha)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		17,000 m2	Approximate area of a cricket field (theoretical limits: 6,402 m2 to 21,273 m2)<ref name="passyworldofmathematics">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		22,100 m2	Area of a Manhattan city block
		53,000 m2	Base of the Great Pyramid of Giza<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Calculated: 230.364 m^2 ~= 53068 m^2</ref>
105		195,000 m2	Irish National Botanic Gardens<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		490,000 m2	Vatican City<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		600,000 m2	Total floor area of the Pentagon<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		659,611 m2	Total floor area of Surat Diamond Bourse (largest office building)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		887,800 m2	AvtoVAZ main assembly building, Tolyatti, Russia (largest building by footprint)
106	1 mega square meter M(m2) 1 square kilometre (km2)	1.76 km2	New Century Global Center, Chengdu, China (largest building by total floor area)
		2 km2	Monaco (country ranked 192nd by area)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		2.59 km2	1 square mile<ref>Calculated: 1 mile * 1 mile * (1.61 km / mile)^2 = 2.59 km^2</ref>
		2.9 km2	City of London (not all of modern London)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
107		59.5 km2	Manhattan Island (land area)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		61 km2	San Marino<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>

10⁸ to 10¹⁴ square metres

Factor (m2)	Multiple	Value	Item
108		105 km2	Paris (inner city only)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		110 km2	Walt Disney World<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		272 km2	Taipei City<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		630 km2	Toronto<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
109	1 giga square meter G(m2)	1,100 km2	Hong Kong<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		1,290 km2	Los Angeles, California, United States (city)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		1,962 km2	Jacksonville, Florida; largest city in the Continental US<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		2,188 km2	Tokyo<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		3,130 km2	Average area of an American county
		5,780 km2	Administrative area of Bali<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		8,030 km2	Community of Madrid, Spain
1010		11,000 km2	Jamaica<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		30,528 km2	Belgium
		68,870 km2	Lake Victoria<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		84,000 km2	citation	CitationClass=web }}</ref>
1011		100,000 km2	South Korea<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		167,996 km2	Jiuquan in China
		232,000 km2	Total area covered by underwater search for Malaysia Airlines Flight 370 (including both 2014-2017 and 2018 searches)
		238,397 km2	Romania<ref>The World Factbook. Central Intelligence Agency. Retrieved 2011-09-29.</ref>
		301,338 km2	Italy<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		357,000 km2	citation	CitationClass=web }}</ref>
		377,900 km2	citation	CitationClass=web }}</ref>
		510,000 km2	citation	CitationClass=web }}</ref>
		780,000 km2	Turkey<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
1012	1 tera square meter T(m2) 1 square megametre (Mm2)	1.0 Mm2	Egypt (country ranked 29th by area)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		2 Mm2	Mexico
		3.10 Mm2	Sakha (Yakutia) Republic in Russia (largest subnational governing body)<ref name="area">Rosstat (Russian Statistical Service), 2010 Template:Webarchive (xls). Retrieved 2012-06-15.</ref>
		3.28 Mm2	India (country ranked 7th by area)
		5 Mm2	Largest extent of the Roman Empire<ref name="Turchin222">Template:Cite journal</ref><ref name="Taagepera125">Template:Cite journal</ref>
		7.74 Mm2	Australia (country ranked 6th by area)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		8.5 Mm2	Brazil
		9.5 Mm2	China/ United States of America
1013		10 Mm2	citation	CitationClass=web }}</ref>
		14 Mm2	Antarctica<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		14 Mm2	Arable land worldwide<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		16.6 Mm2	Surface area of Pluto<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		17 Mm2	Russia (country ranked 1st by area)<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		24 Mm2	Largest extent of Mongol Empire
		30 Mm2	Africa<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		35.5 Mm2	Largest extent of the British Empire<ref name="Taagepera502">Template:Cite journal</ref>
		38 Mm2	Surface area of the Moon<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		44.6 Mm2	Asia (largest continent by area)
		70.5 Mm2	Indian Ocean<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		85.1 Mm2	Atlantic Ocean<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
1014		144 Mm2	Surface area of Mars<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		150 Mm2	Land area of Earth<ref name="CIAfactbook_world">{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		168.7 Mm2	Pacific Ocean<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		360 Mm2	Water area of Earth<ref name="CIAfactbook_world"/>
		510 Mm2	Total surface area of Earth<ref name="CIAfactbook_world"/>

10¹⁵ to 10²⁶ square metres

List of orders of magnitude for areas 10¹⁵ to 10²⁶ square metres.

Factor (m2)	Multiple	Value	Item
1015	1 peta square meter P(m2)	1,000 Mm2	Surface area of the white dwarf, Van Maanen's star
		7,600 Mm2	Surface area of Neptune<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
1016		43,000 Mm2	Surface area of Saturn<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
		61 000 Mm2	Surface area of Jupiter,<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref> the "surface" area of the spheroid (calculated from the mean radius as reported by NASA). The cross-sectional area of Jupiter, which is the same as the "circle" of Jupiter seen by an approaching spacecraft, is almost exactly one quarter the surface-area of the overall sphere, which in the case of Jupiter is approximately 1.535Template:E m2.
1017		2-600 000 Mm2	Surface area of the brown dwarf CT Chamaeleontis B.
		460,000 Mm2	Area swept by the Moon's orbit of Earth
1018	1 square gigametre (Gm2)	6.1 Gm2	Surface area of the Sun<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
1019		30 Gm2	Surface area of the star Vega
1020		100 Gm2
1021	1 zetta square meter Z(m2)	1 000 Gm2
1022		11 000 Gm2	Area swept by Mercury's orbit around the Sun
		37 000 Gm2	Area swept by Venus' orbit around the Sun
		71 000 Gm2	Area swept by Earth's orbit around the Sun
1023		160 000 Gm2	Area swept by Mars' orbit around the Sun
		281 000 Gm2	Surface area of a Dyson sphere with a radius of 1 AU
1024	1 yotta square meter (m2) 1 square terametre (Tm2)	1.9 Tm2	Area swept by Jupiter's orbit around the Sun
		6.4 Tm2	Area swept by Saturn's orbit around the Sun
		8.5 Tm2	Surface area of the red supergiant star Betelgeuse
1025		24 Tm2	Surface area of the hypergiant star VY Canis Majoris
		26 Tm2	Area swept by Uranus' orbit around the Sun
		64 Tm2	Area swept by Neptune's orbit around the Sun
1026		110 Tm2	Area swept by Pluto's orbit around the Sun

10²⁷ square metres and larger

List of orders of magnitude for areas 10²⁷ square metres and larger.

Factor (m2)	Multiple	Value	Item
1030	1 square petametre (Pm2)
1031		10 Pm2
1032		200 Pm2	Roughly the surface area of an Oort Cloud
		300 Pm2	Roughly the surface area of a Bok globule
1033		1 000 Pm2
1034		30 000 Pm2	Roughly the surface area of The Bubble nebula
1035		100 000 Pm2
1036	1 square exametre (Em2)
...
1041		700 000 Em2	Roughly the area of Milky Way's galactic disk
1042	1 square zettametre (Zm2)
...
1048	1 square yottametre (Ym2)
1054	1 square ronnametre (Rm2)	2.4 Rm2	citation	CitationClass=web }}</ref>

See also

• Orders of magnitude
• Lists of political and geographic subdivisions by total area