Orders of magnitude (area)

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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.
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>Template:Cite web</ref>
Template:10^ 1 square yoctometre (ym2)  1 ym2  
Template:10^   100,000 ym2 1 femtobarn<ref>Template:Cite 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>Template:Cite web</ref>
10−28   100 fm2 1 barn, roughly the cross-sectional area of a uranium nucleus<ref>Template:Cite 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>Template:Cite web</ref>
75,000–260,000 pm2 Surface area of the 20 standard amino acids<ref>Template:Cite 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>Template:Cite web</ref>
10−12 1 square micrometre (μm2) 6 μm2 Surface area of an E. coli bacterium<ref name=ccdb_e_coli>Template:Cite 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>Template:Cite 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">Template:Cite 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 Area of one side of a U.S. penny<ref>Template:Cite 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>Template:Cite 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>Template:Cite 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>Template:Cite web</ref>
261 m2 Size of a tennis court<ref>Template:Cite 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>Template:Cite web</ref>
978 m2 Size of the primary mirror of the Extremely Large Telescope, the largest optical telescope in the world (under construction)<ref>Template:Cite 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>Template:Cite web</ref>
5,400 m2 Size of an American football field<ref>Template:Cite 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>Template:Cite web</ref><ref>Calculated: 105 m * 68 m = 7140 m^2</ref>
104 1 square hectometre (hm2) 10,000 m2 1 hectare (ha)<ref>Template:Cite web</ref>
17,000 m2 Approximate area of a cricket field (theoretical limits: 6,402 m2 to 21,273 m2)<ref name="passyworldofmathematics">Template:Cite web</ref>
22,100 m2 Area of a Manhattan city block
53,000 m2 Base of the Great Pyramid of Giza<ref>Template:Cite web</ref><ref>Calculated: 230.364 m^2 ~= 53068 m^2</ref>
105   195,000 m2 Irish National Botanic Gardens<ref>Template:Cite web</ref>
490,000 m2 Vatican City<ref>Template:Cite web</ref>
600,000 m2 Total floor area of the Pentagon<ref>Template:Cite web</ref>
659,611 m2 Total floor area of Surat Diamond Bourse (largest office building)<ref>Template:Cite 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>Template:Cite 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>Template:Cite web</ref>
107   59.5 km2 Manhattan Island (land area)<ref>Template:Cite web</ref>
61 km2 San Marino<ref>Template:Cite web</ref>

108 to 1014 square metres

Factor (m2) Multiple Value Item
108   105 km2 Paris (inner city only)<ref>Template:Cite web</ref>
110 km2 Walt Disney World<ref>Template:Cite web</ref>
272 km2 Taipei City<ref>Template:Cite web</ref>
630 km2 Toronto<ref>Template:Cite web</ref>
109 1 giga square meter G(m2) 1,100 km2 Hong Kong<ref>Template:Cite web</ref>
1,290 km2 Los Angeles, California, United States (city)<ref>Template:Cite web</ref>
1,962 km2 Jacksonville, Florida; largest city in the Continental US<ref>Template:Cite web</ref>
2,188 km2 Tokyo<ref>Template:Cite web</ref>
3,130 km2 Average area of an American county
5,780 km2 Administrative area of Bali<ref>Template:Cite web</ref>
8,030 km2 Community of Madrid, Spain
1010   11,000 km2 Jamaica<ref>Template:Cite web</ref>
30,528 km2 Belgium
68,870 km2 Lake Victoria<ref>Template:Cite web</ref>
84,000 km2 Austria<ref>Template:Cite web</ref>
1011   100,000 km2 South Korea<ref>Template:Cite 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>Template:Cite web</ref>
357,000 km2 Germany<ref>Template:Cite web</ref>
377,900 km2 Japan<ref>Template:Cite web</ref>
510,000 km2 Spain<ref>Template:Cite web</ref>
780,000 km2 Turkey<ref>Template:Cite web</ref>
1012 1 tera square meter T(m2)

1 square megametre (Mm2)

1.0 Mm2 Egypt (country ranked 29th by area)<ref>Template:Cite 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>Template:Cite web</ref>
8.5 Mm2 Brazil
9.5 Mm2 China/ United States of America
1013   10 Mm2 Canada (including water)<ref>Template:Cite web</ref>
14 Mm2 Antarctica<ref>Template:Cite web</ref>
14 Mm2 Arable land worldwide<ref>Template:Cite web</ref>
16.6 Mm2 Surface area of Pluto<ref>Template:Cite web</ref>
17 Mm2 Russia (country ranked 1st by area)<ref>Template:Cite web</ref>
24 Mm2 Largest extent of Mongol Empire
30 Mm2 Africa<ref>Template:Cite 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>Template:Cite web</ref>
44.6 Mm2 Asia (largest continent by area)
70.5 Mm2 Indian Ocean<ref>Template:Cite web</ref>
85.1 Mm2 Atlantic Ocean<ref>Template:Cite web</ref>
1014   144 Mm2 Surface area of Mars<ref>Template:Cite web</ref>
150 Mm2 Land area of Earth<ref name="CIAfactbook_world">Template:Cite web</ref>
168.7 Mm2 Pacific Ocean<ref>Template:Cite 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>Template:Cite web</ref>
1016   43,000 Mm2 Surface area of Saturn<ref>Template:Cite web</ref>
61 000 Mm2 Surface area of Jupiter,<ref>Template:Cite 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>Template:Cite 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 the 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 Surface area of the observable universe<ref>Template:Cite web</ref>

See also

References

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