Orders of magnitude (area)

{{Short description|Comparison of a wide range of areas}} [[File:Comparison of units of area.png|thumb|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|thumb|right|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.

=={{10^|-70}} to {{10^|-9}} square metres== {| class="wikitable" |+'''List of orders of magnitude for area {{10^|-70}} to {{10^|-9}} square metres''' !Factor (m²) !Multiple !Value !Item |-

|- |{{10^|-70}} |&nbsp; |2.6{{e|-70}} 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> |- |{{10^|-60}} | 1 square quectometre |- |{{10^|-54}} |1 square rontometre |- |{{10^|-52}} |&nbsp; |100 rm² |1 shed<ref>{{cite web | author = Russ Rowlett | date = September 1, 2004 | title = Units: S | url = http://www.unc.edu/~rowlett/units/dictS.html | work = How Many? A Dictionary of Units of Measurement | publisher = University of North Carolina at Chapel Hill | access-date = 2011-10-25 }}</ref> |- |{{10^|-48}} |1 square yoctometre (ym²) |&nbsp;1 ym² |&nbsp; |- |{{10^|-43}} |&nbsp; |100,000 ym² |1 femtobarn<ref>{{cite web|url=http://writing-guidelines.web.cern.ch/entries/femtobarn|title=Femtobarn|website=CERN writing guidelines|publisher=CERN|access-date=2015-10-22|archive-date=2020-08-20|archive-url=https://web.archive.org/web/20200820001851/https://writing-guidelines.web.cern.ch/entries/femtobarn}}</ref> |- |10⁻⁴² |1 square zeptometre (zm²) |&nbsp;1 zm² |&nbsp; |- |10⁻³⁶ |1 square attometre (am²) |&nbsp;1&nbsp;am² |&nbsp; |- |10⁻³⁰ |1 square femtometre (fm²) |&nbsp;1 fm² |&nbsp; |- |10⁻²⁹ |&nbsp; |66.52 fm² | Thomson cross-section of the electron<ref>{{Cite web|url=http://scienceworld.wolfram.com/physics/ThomsonCrossSection.html|title=Thomson Cross Section|author=Eric W. Weisstein|website=Eric Weisstein's World of Science|publisher=Wolfram Research|access-date=2015-10-22}}</ref> |- |10⁻²⁸ |&nbsp; |100 fm² |1 barn, roughly the cross-sectional area of a uranium nucleus<ref>{{cite web|title=Other non-SI units |url=http://www.bipm.org/en/si/si_brochure/chapter4/table8.html |work=SI brochure |publisher=BIPM |access-date=2011-10-25 |archive-url=https://web.archive.org/web/20080821211324/http://www.bipm.org/en/si/si_brochure/chapter4/table8.html |archive-date=2008-08-21 }}</ref> |- |10⁻²⁴ |1 square picometre (pm²) |&nbsp;1&nbsp;pm² |&nbsp; |- |10⁻²⁰ |1 square angstrom (Ų) |&nbsp;10,000&nbsp;pm² |&nbsp; |- |rowspan=2|10⁻¹⁹ | |100,000&nbsp;pm² |Area of a lipid bilayer, per molecule<ref>{{cite web |url= http://bionumbers.hms.harvard.edu/bionumber.aspx?s=n&id=101837 |title= "Rule of thumb" for the area per molecule in lipid bilayer |publisher= BioNumbers |access-date=2011-10-09 }}</ref> |- | |75,000–260,000&nbsp;pm² |Surface area of the 20 standard amino acids<ref>{{cite web |url= http://jenalib.leibniz-fli.de/IMAGE_AA.html |title= Individual Properties of the 20 Standard Amino Acids: Properties and Images |work = The Amino Acid Repository | publisher= Jena Library of Biological Macromolecules |access-date=2011-10-10 }}</ref> |- |10⁻¹⁸ |1 square nanometre (nm²) |&nbsp;1&nbsp;nm² |&nbsp; |- |10⁻¹⁶ | |100&nbsp;nm² |Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable)<!-- 38 Angstroms^2 per amino acid (for globular proteins near 35000 u) * 35000 u/ 110 u per amino acid = 1.2e-16 m^2 --><ref>{{Cite journal | last1 = Janin | first1 = J. E. L. | title = Surface and inside volumes in globular proteins | journal = Nature | volume = 277 | issue = 5696 | pages = 491–492 | year = 1979 | pmid = 763335 | doi = 10.1038/277491a0| bibcode = 1979Natur.277..491J | s2cid = 4338901 }}</ref> |- |10⁻¹⁴ | |17,000&nbsp;nm² |Cross-sectional area of a nuclear pore complex in vertebrates<ref>{{ cite web |url = http://www.ks.uiuc.edu/Research/npc/ |title = The Nuclear Pore Complex |publisher= UIUC Theoretical and Computational Biophysics Group |access-date = 2011-10-14 }}</ref><!-- diameter = 145e-9 m^2 => area = pi * (145e-9 / 2)^2 = 1.65e-14 m^2 --> |- |10⁻¹² |1 square micrometre (μm²) |6 μm² |Surface area of an ''E. coli'' bacterium<ref name=ccdb_e_coli>{{cite web |url=http://www.ccdb.ualberta.ca/CCDB/cgi-bin/STAT_NEW.cgi |title=E. coli Statistics |publisher=The CyberCell Database |access-date=2011-09-11 |archive-url=https://web.archive.org/web/20111027220034/http://www.ccdb.ualberta.ca/CCDB/cgi-bin/STAT_NEW.cgi |archive-date=2011-10-27 }}</ref> |- |10⁻¹⁰ |&nbsp; |100 μm² |Surface area of a red blood cell<ref>{{cite journal |last1=Marcelli |first1=Gianluca |last2=Parker |first2=Kim H. |last3=Winlove |first3=C. Peter |year= 2005 |title= Thermal Fluctuations of Red Blood Cell Membrane via a Constant-Area Particle-Dynamics Model |journal= Biophysical Journal |volume= 89 |issue= 4 |pages= 2473–2480 |pmid= 16055528|pmc= 1366746|bibcode= 2005BpJ....89.2473M|doi= 10.1529/biophysj.104.056168 |url=}}<!-- relevant quote in reference: "the surface area of a real red blood cell (~10^8 nm2)"--></ref> |- |rowspan=3|10⁻⁹ |&nbsp; |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> |- |&nbsp; |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> |- |&nbsp; |8,000 μm² |Cross-sectional area of a straight human hair that is 100&nbsp;μm<ref>{{cite web |url=http://www.keratin.com/aa/aa012.shtml#04 |title=Hair Fiber Composition |access-date=2011-09-30 }}</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== {| class="wikitable" |+'''List of orders of magnitude for areas 10⁻⁸ to 10⁻¹ square metres''' !Factor (m²) !Multiple !Value !Item |- |10⁻⁸ |&nbsp; |55,000 μm² |Size of a pixel on a typical modern computer display |- |10⁻⁷ |&nbsp; |2-400,000 μm² |Cross-sectional area of a mechanical pencil lead (0.5-0.7&nbsp;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> |- |rowspan=2|10⁻⁶ |rowspan=2|1 square millimetre (mm²) |1–2&nbsp;mm² ||Area of a human fovea<ref name="Webvision_retina"><!-- 1.2 to 1.5 mm diameter of the fovea -> pi*(d/2)^2 = 1.1 to 1.8 mm^2 in fovea area -->{{cite web|url=http://webvision.med.utah.edu/book/part-xiii-cellular-remodeling-in-mammalian-retina-induced-by-retinal-detachment/|title=Part XIII: Facts and Figures concerning the human retina|publisher=University of Utah|work=Webvision|access-date=2011-09-28|archive-url=https://web.archive.org/web/20111011004153/http://webvision.med.utah.edu/book/part-xiii-cellular-remodeling-in-mammalian-retina-induced-by-retinal-detachment/|archive-date=2011-10-11}}</ref> |- |2&nbsp;mm² ||Area of the head of a pin |- |10⁻⁵ |&nbsp; |30–50&nbsp;mm² ||Area of a 6–8&nbsp;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> |- |rowspan=2|10⁻⁴ |rowspan=2|1 square centimetre (cm²) |290&nbsp;mm² |Area of one side of a U.S. penny<ref>{{cite web |url=http://www.usmint.gov/about_the_mint/?action=coin_specifications |title=Coin specifications |publisher=United States Mint |access-date=2011-12-28 |archive-date=2015-02-18 |archive-url=https://web.archive.org/web/20150218061037/http://www.usmint.gov/about_the_mint/?action=coin_specifications }}</ref><ref>Calculated: area = pi * diameter^2 / 4 = 3.14 * (19.05e-3 m)^2 = 2.850e-4 m^2</ref> |- |500&nbsp;mm² ||Area of a typical postage stamp |- |rowspan=2|10⁻³ |rowspan=2| &nbsp; |1,100&nbsp;mm² ||Area of a human retina<ref>{{cite journal |last1=Taylor |first1=Enid |last2=Jennings |first2=Alan |year= 1971 |title= Calculation of total retinal area |journal= Br. J. Ophthalmol. |volume= 55 |pages=262–5 |doi= 10.1136/bjo.55.4.262|pmc=1208280 |pmid=5572268 |issue=4}}<!-- relevant quote in reference: "We suggest that the retinal area be taken as 1100 sq.mm."--></ref> |- |4,600&nbsp;mm² ||Area of the face of a credit card<!-- width*height - (4-pi)(corner radius)^2 = (85.6*1e-3)*(53.98 * 1e-3) - (4-pi)*((3.18e-3)**2) = 4.61e-3 m^2 --><ref>{{cite web |url=http://www.dimensionsguide.com/credit-card-dimensions/ |title=Credit Card Dimensions |access-date=2011-09-30 }}</ref> |- |rowspan=4|10⁻² |rowspan=4| 1 square decimetre (dm²) |10,000&nbsp;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&nbsp;mm² || American letter paper (11 × 8.5 inches, "A" size) |- |62,370&nbsp;mm² || International A4 paper (210 × 297&nbsp;mm) |- |92,903&nbsp;mm² || 1 square foot<ref>Calculated: 1 foot * 1 foot * (0.3048 meters / foot)^2 = 0.092.90304 m^2</ref> |- |rowspan=4|10⁻¹ |rowspan=4| &nbsp; | 125,000&nbsp;mm² || International A3 paper (297 × 420&nbsp;mm) |- | 180,000&nbsp;mm² || Surface area of a basketball (diameter 24&nbsp;cm)<ref>{{cite web|title=Rules of the Game |url=http://www.usabasketball.com/rules/rules.html |publisher=USA Basketball |access-date=2011-10-28 |archive-url=https://web.archive.org/web/20111027183121/http://www.usabasketball.com/rules/rules.html |archive-date=2011-10-27 }}</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&nbsp;mm² || International A2 paper (420 × 594&nbsp;mm) |- |500,000&nbsp;mm² || International A1 paper (594 × 841&nbsp;mm) |}

==10⁰ to 10⁷ square metres== {| class="wikitable" |+'''List of orders of magnitude for areas 10⁰ to 10⁷ square metres.''' !Factor (m²) !Multiple !Value !Item |- |rowspan=3|10⁰ |rowspan=3| 1 square metre |1&nbsp;m² || International A0 paper (841 × 1189&nbsp;mm) |- |1.73&nbsp;m² || A number commonly used as the average body surface area of a human<ref>{{cite journal |last1=Sacco |first1=Joseph J. |last2=Botten |first2=Joanne |last3=Macbeth |first3=Fergus |last4=Bagust |first4=Adrian |last5=Clark |first5=Peter |year= 2010 |title= The Average Body Surface Area of Adult Cancer Patients in the UK: A Multicentre Retrospective Study |journal= PLOS ONE |volume= 5 |issue= 1 |article-number= e8933 |doi= 10.1371/journal.pone.0008933 |bibcode = 2010PLoSO...5.8933S |pmid=20126669 |pmc=2812484|doi-access=free }}<!-- relevant quote in reference: "Although a mean BSA of 1.73 m^2 has been quoted in previous work"--></ref> |- |1–4&nbsp;m² || Area of the top of an office desk |- |rowspan=2|10¹ |rowspan=2|&nbsp; |10–20&nbsp;m² ||A parking space |- |70&nbsp;m² ||Approximate surface area of a human lung<ref>{{cite book |author=Notter, Robert H. |title=Lung surfactants: basic science and clinical applications |publisher=Marcel Dekker |location=New York, N.Y |year=2000 |page=120 |isbn=0-8247-0401-0 |url=https://books.google.com/books?id=pAuiWvNHwZcC&q=70&pg=PA120|access-date=2011-09-27}}</ref> |- |rowspan=7|10² |rowspan=7|1 square decametre (dam²) |100&nbsp;m² ||One are (a) |- |162&nbsp;m² ||Size of a volleyball court (18 × 9 metres)<ref>{{cite book |title=Official Volleyball Rules 2011-2012 |chapter-url=http://www.fivb.org/EN/Refereeing-Rules/Documents/FIVB.2011-2012.VB.RulesOfTheGame.Eng.TextfileOnly.2.1.1.pdf |access-date=2011-10-27 |year=2010 |publisher=FIVB |chapter=Section 1.1 |quote=The playing court is a rectangle measuring 18 x 9 m, surrounded by a free zone which is a minimum of 3 m wide on all sides.}}</ref> |- |202&nbsp;m² ||Floor area of a median suburban three-bedroom house in the US in 2010: {{convert|2169|sqft|m2|abbr=on}}<ref>{{cite web |url=https://www.census.gov/const/C25Ann/sftotalmedavgsqft.pdf |title=Median and Average Square Feet of Floor Area in New Single-Family Houses Completed by Location |publisher=US Census Bureau |access-date=2011-09-26 }}</ref> |- |261&nbsp;m² ||Size of a tennis court<ref>{{cite web | url= http://hypertextbook.com/facts/2009/AmyHuang.shtml | title= Area of a Tennis Court | work= The Physics Factbook |access-date= 2011-09-27 }}</ref> |- |437&nbsp;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&nbsp;m² ||Wing area of Airbus A380, the largest commercial airliner<ref name=prestigeSpecs>{{cite web |url= http://www.airbus.com/fileadmin/media_gallery/files/tech_data/jetFamily/media_object_file_A380_specifications.pdf |title= A380 Prestige Specifications |publisher= Airbus |archive-url= https://web.archive.org/web/20161012152549/http://www.airbus.com/fileadmin/media_gallery/files/tech_data/jetFamily/media_object_file_A380_specifications.pdf |archive-date= 12 October 2016 |df= dmy-all}}</ref> |- |978&nbsp;m² ||Size of the primary mirror of the Extremely Large Telescope, the largest optical telescope in the world (under construction)<ref>{{cite web |title=Extremely Large Telescope - Timeline |url=https://elt.eso.org/about/timeline/ |access-date=11 July 2023}}</ref> |- |rowspan=5| 10³ |rowspan=5| 1 kilo square meter k(m²) |1,000&nbsp;m² || Surface area of a modern stremma or dunam |- |1,250&nbsp;m² || Surface area of the water in an Olympic-size swimming pool<ref>Calculated: 50 m * 25 m = 1250 m^2</ref> |- |4,047&nbsp;m² || 1 acre<ref>{{cite web|title=General Tables of Units of Measurement |url=http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf |publisher=NIST |access-date=2011-10-28 |quote=4046.87 |archive-url=https://web.archive.org/web/20061126120208/http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf |archive-date=2006-11-26 }}</ref> |- |5,400&nbsp;m² || Size of an American football field<ref>{{cite web|title=What are the Dimensions of a Football Field|url=http://www.dimensionsguide.com/what-are-the-dimensions-of-a-football-field/|work=Dimensions Guide|access-date=2011-10-27}}</ref><ref>Calculated: 360 feet * 160 feet * (0.3048 m/ft)^2 = 5351 m^2 ~= 5400 m^2</ref> |- |7,140&nbsp;m² || Size of a typical football (soccer) field<ref>{{cite web|title=How Big Is An Olympic Soccer Field?|url=http://www.livestrong.com/article/406257-how-big-is-an-olympic-soccer-field/|publisher=LIVESTRONG.COM|access-date=2012-01-04|quote=For the Olympics, fields are supposed to measure exactly 105 meters long and 68 meters wide}}</ref><ref>Calculated: 105 m * 68 m = 7140 m^2</ref> |- |rowspan=4|10⁴ |rowspan=4| 1 square hectometre (hm²) |10,000&nbsp;m² || 1 hectare (ha)<ref>{{cite web|title=General Tables of Units of Measurement |url=http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf |publisher=NIST |access-date=2011-10-28 |archive-url=https://web.archive.org/web/20061126120208/http://ts.nist.gov/WeightsAndMeasures/Publications/upload/h4402_appenc.pdf |archive-date=2006-11-26 }}</ref> |- |17,000&nbsp;m² || Approximate area of a cricket field (theoretical limits: 6,402&nbsp;m² to 21,273&nbsp;m²)<ref name="passyworldofmathematics">{{cite web|url=http://passyworldofmathematics.com/afl-ground-sizes/|publisher=passyworldofmathematics.com|title=AFL Ground Sizes &#124; Passy's World of Mathematics|date=11 September 2011|access-date=2016-11-12}}</ref> |- |22,100&nbsp;m² || Area of a Manhattan city block |- |53,000&nbsp;m² || Base of the Great Pyramid of Giza<ref>{{cite web|last=Greenberg|first=Ralph|title=THE GREAT PYRAMID OF GIZA (Some Elegant Numerical Relationships)|url=http://www.math.washington.edu/~greenber/GizaPyramid.html|access-date=2012-01-04|quote=average length of the four sides is 230.364 meters}}</ref><ref>Calculated: 230.364 m^2 ~= 53068 m^2</ref> |- | rowspan="5" |10⁵ | rowspan="5" | &nbsp; |195,000&nbsp;m² || Irish National Botanic Gardens<ref>{{cite web|last=Gartland|first=Fiona|url=https://www.irishtimes.com/news/valuable-lead-roofing-stolen-from-dublin-bandstands-1.485412|archive-url=https://web.archive.org/web/20180530022253/https://www.irishtimes.com/news/valuable-lead-roofing-stolen-from-dublin-bandstands-1.485412|url-status=live|archive-date=30 May 2018|title=Valuable lead roofing stolen from Dublin bandstands|access-date=29 May 2018}}</ref> |- |490,000&nbsp;m² || Vatican City<ref>{{cite web | title = Holy See (Vatican City) | url = https://www.cia.gov/the-world-factbook/countries/holy-see-vatican-city/ | archive-url = https://web.archive.org/web/20210113053634/https://www.cia.gov/the-world-factbook/countries/holy-see-vatican-city | url-status = dead | archive-date = January 13, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-10-28 }}</ref> |- |600,000&nbsp;m² || Total floor area of the Pentagon<ref>{{cite web|title=The Pentagon - George Bergstrom|url=http://www.greatbuildings.com/buildings/The_Pentagon.html|publisher=Great Buildings Online|access-date=2011-10-28|quote=Floor area of 6.5 million square feet, 34 acres, 13.8 hectares, of which 3.7 million square feet are used for offices.}}</ref><!-- 6.5e6 ft^2 * (0.3048 m/ft)^2 = 6.04e5 m^2 --> |- |659,611&nbsp;m² |Total floor area of Surat Diamond Bourse (largest office building)<ref>{{Cite web |last=Holland |first=Oscar |date=2023-07-18 |title=The world's new largest office building is bigger than the Pentagon |url=https://edition.cnn.com/style/india-largest-office-building-surat-diamond-bourse/index.html |access-date=2024-11-07 |website=CNN |language=en}}</ref> |- |887,800&nbsp;m² || AvtoVAZ main assembly building, Tolyatti, Russia (largest building by footprint) |- |rowspan=4|10⁶ |rowspan=4| 1 mega square meter M(m²) 1 square kilometre (km²) |1.76&nbsp;km² || New Century Global Center, Chengdu, China (largest building by total floor area) |- |2&nbsp;km² || Monaco (country ranked 192nd by area)<ref>{{cite web | title = Monaco | url = https://www.cia.gov/the-world-factbook/countries/monaco/ | archive-url = https://web.archive.org/web/20210106062442/https://www.cia.gov/the-world-factbook/countries/monaco/ | url-status = dead | archive-date = January 6, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-30 }}</ref> |- |2.59&nbsp;km² || 1 square mile<ref>Calculated: 1 mile * 1 mile * (1.61 km / mile)^2 = 2.59 km^2</ref> |- |2.9&nbsp;km² || City of London (not all of modern London)<ref>{{cite web|title=Jurisdictions: London|url=http://www.internationalfinancecentres.com/jurisdictions/view/41|publisher=The International Finance Centre Portal|access-date=2011-10-28|archive-date=2012-04-25|archive-url=https://web.archive.org/web/20120425115936/http://www.internationalfinancecentres.com/jurisdictions/view/41}}</ref> |- |rowspan=2|10⁷ |rowspan=2| &nbsp; |59.5&nbsp;km² || Manhattan Island (land area)<ref>{{cite web|title=New York -- Place and County Subdivision: Population, Housing Units, Area, and Density 2000|url=http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US36&-_box_head_nbr=GCT-PH1-R&-ds_name=DEC_2000_SF1_U&-_lang=en&-redoLog=false&-mt_name=PEP_2006_EST_GCTT1_ST2&-format=ST-7S&-_sse=on|work=Census 2000 Summary File 1|publisher=US Census Bureau|access-date=2011-10-28|archive-url=https://web.archive.org/web/20110103055349/http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US36&-_box_head_nbr=GCT-PH1-R&-ds_name=DEC_2000_SF1_U&-_lang=en&-redoLog=false&-mt_name=PEP_2006_EST_GCTT1_ST2&-format=ST-7S&-_sse=on|archive-date=2011-01-03}}</ref><!-- 22.96 mi^2 * (1.609 km/mi)^2 ~= 59.44 km^2 --> |- |61&nbsp;km² || San Marino<ref>{{cite web | title = San Marino | url = https://www.cia.gov/the-world-factbook/countries/san-marino/ | archive-url = https://web.archive.org/web/20210112213547/https://www.cia.gov/the-world-factbook/countries/san-marino | url-status = dead | archive-date = January 12, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-30 }}</ref> |}

==10⁸ to 10¹⁴ square metres== {| class="wikitable" !Factor (m²) !Multiple !Value !Item |- | rowspan="4" |10⁸ | rowspan="4" | &nbsp; |105&nbsp;km² || Paris (inner city only)<ref>{{cite web|title=Comparateur de territoire: Commune de Paris (75056) |url=https://www.insee.fr/fr/statistiques/1405599?geo=COM-75056|publisher=INSEE|access-date=2020-08-26}}</ref> |- |110&nbsp;km² || Walt Disney World<ref>{{cite web|title=Walt Disney World Resort|url=http://disneybythenumbers.com/wdw/wdw.html|publisher=Disney By The Numb3rs|access-date=2011-10-28|quote=30,500 acres|archive-url=https://web.archive.org/web/20150612090638/http://disneybythenumbers.com/wdw/wdw.html|archive-date=2015-06-12}}</ref> |- |272&nbsp;km² || Taipei City<ref>{{cite web|title=Appendix II Statistics|url=http://tcgwww.taipei.gov.tw/ct.asp?xItem=6499588&ctNode=45847&mp=100089|work=Taipei Yearbook 2010|access-date=2011-10-28|archive-url=https://web.archive.org/web/20120522053744/http://tcgwww.taipei.gov.tw/ct.asp?xItem=6499588&ctNode=45847&mp=100089|archive-date=2012-05-22}}</ref> |- |630&nbsp;km² || Toronto<ref>{{cite web|title=Population and Dwelling Counts|url=http://www12.statcan.ca/english/census01/products/standard/popdwell/Table-CSD-P.cfm?PR=35&T=2&SR=1&S=3&O=D|work=2001 Census|publisher=Statistics Canada|access-date=2011-10-28|archive-date=2007-03-17|archive-url=https://web.archive.org/web/20070317191603/http://www12.statcan.ca/english/census01/products/standard/popdwell/Table-CSD-P.cfm?PR=35&T=2&SR=1&S=3&O=D}}</ref> |- | rowspan="7" |10⁹ | rowspan="7" | 1 giga square meter G(m²) |1,100&nbsp;km² || Hong Kong<ref>{{cite web | title = Hong Kong | url = https://www.cia.gov/the-world-factbook/countries/hong-kong/ | archive-url = https://web.archive.org/web/20210110102932/https://www.cia.gov/the-world-factbook/countries/hong-kong | url-status = dead | archive-date = January 10, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |1,290&nbsp;km² || Los Angeles, California, United States (city)<ref>{{cite web|title=California by Place: Los Angeles city|url=http://factfinder.census.gov/servlet/GCTTable?-geo_id=04000US06&-mt_name=DEC_2000_SF1_U_GCTPH1_ST7&-ds_name=DEC_2000_SF1_U|publisher=US Census|access-date=2011-10-28|quote=498.29 square miles|archive-url=https://archive.today/20200212034038/http://factfinder.census.gov/servlet/GCTTable?-geo_id=04000US06&-mt_name=DEC_2000_SF1_U_GCTPH1_ST7&-ds_name=DEC_2000_SF1_U|archive-date=2020-02-12}}</ref> |- |1,962&nbsp;km² || Jacksonville, Florida; largest city in the Continental US<ref>{{cite web|url=https://www.census.gov/statab/ccdb/cit1010r.txt|archive-url=https://web.archive.org/web/20021017211112/http://www.census.gov/statab/ccdb/cit1010r.txt|archive-date=October 17, 2002|title=Cities with 100,000 or More Population in 2000 ranked by Land Area (square miles) /1, 2000 in Rank Order|date=March 16, 2004|work=U.S. Census Bureau, Administrative and Customer Services Division, Statistical Compendia Branch|access-date=2010-10-26}}</ref> |- |2,188&nbsp;km² || Tokyo<ref>{{cite web|title=OVERVIEW OF TOKYO|url=http://www.metro.tokyo.jp/ENGLISH/PROFILE/overview02.htm|publisher=Tokyo Metropolitan Government|access-date=2011-10-28|archive-url=https://web.archive.org/web/20111108043249/http://www.metro.tokyo.jp/ENGLISH/PROFILE/overview02.htm|archive-date=2011-11-08}}</ref> |- |3,130&nbsp;km² |Average area of an American county |- |5,780&nbsp;km² || Administrative area of Bali<ref>{{cite web|url=http://sp2010.bps.go.id/files/ebook/5105.pdf|title=Kabupaten Klungkung: Data Agregat per Kecamatan|date=2010|website=Sp2010.bps.go.id|access-date=5 January 2018}}</ref> |- |8,030&nbsp;km² || Community of Madrid, Spain |- | rowspan="4" |10¹⁰ | rowspan="4" | &nbsp; |11,000&nbsp;km² || Jamaica<ref>{{cite web | title = Jamaica | url = https://www.cia.gov/the-world-factbook/countries/jamaica/ | archive-url = https://web.archive.org/web/20210111023238/https://www.cia.gov/the-world-factbook/countries/jamaica | url-status = dead | archive-date = January 11, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |30,528&nbsp;km² || Belgium |- |68,870&nbsp;km² || Lake Victoria<ref>{{cite web|title=Lake Profile: Victoria|url=http://www.worldlakes.org/lakedetails.asp?lakeid=8361|archive-url=https://web.archive.org/web/20031127214325/http://www.worldlakes.org/lakedetails.asp?lakeid=8361|url-status=usurped|archive-date=November 27, 2003|work=World Lakes|publisher=LakeNet|access-date=2011-10-28}}</ref> |- |84,000&nbsp;km² || Austria<ref>{{cite web | title = Austria | url = https://www.cia.gov/the-world-factbook/countries/austria/ | archive-url = https://web.archive.org/web/20210110074413/https://www.cia.gov/the-world-factbook/countries/austria | url-status = dead | archive-date = January 10, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- | rowspan="9" |10¹¹ | rowspan="9" | &nbsp; |100,000&nbsp;km² || South Korea<ref>{{cite web | title = South Korea | url = https://www.cia.gov/the-world-factbook/countries/iceland/ | archive-url = https://web.archive.org/web/20210109214652/https://www.cia.gov/the-world-factbook/countries/iceland | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |167,996&nbsp;km² || Jiuquan in China |- |232,000&nbsp;km² || Total area covered by underwater search for Malaysia Airlines Flight 370 (including both 2014-2017 and 2018 searches) |- |238,397&nbsp;km² |Romania<ref>The World Factbook. Central Intelligence Agency. Retrieved 2011-09-29.</ref> |- |301,338&nbsp;km² || Italy<ref>{{cite web | title = Italy | url = https://www.cia.gov/the-world-factbook/countries/italy/ | archive-url = https://web.archive.org/web/20210109235252/https://www.cia.gov/the-world-factbook/countries/italy | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |357,000&nbsp;km² || Germany<ref>{{cite web | title = Germany | url = https://www.cia.gov/the-world-factbook/countries/italy/ | archive-url = https://web.archive.org/web/20210109235252/https://www.cia.gov/the-world-factbook/countries/italy | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |377,900&nbsp;km² || Japan<ref>{{cite web | title = Japan | url = https://www.cia.gov/the-world-factbook/countries/italy/ | archive-url = https://web.archive.org/web/20210109235252/https://www.cia.gov/the-world-factbook/countries/italy | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |510,000&nbsp;km² || Spain<ref>{{cite web | title = Spain | url = https://www.cia.gov/the-world-factbook/countries/spain/ | archive-url = https://web.archive.org/web/20210104172705/https://www.cia.gov/the-world-factbook/countries/spain/ | url-status = dead | archive-date = January 4, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |780,000&nbsp;km² || Turkey<ref>{{cite web | title = Turkey | url = https://www.cia.gov/the-world-factbook/countries/turkey/ | archive-url = https://web.archive.org/web/20210110073821/https://www.cia.gov/the-world-factbook/countries/turkey | archive-date = January 10, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- | rowspan="8" |10¹² | rowspan="8" | 1 tera square meter T(m²) 1 square megametre (million&nbsp;km²) |1.0&nbsp;million&nbsp;km² || Egypt (country ranked 29th by area)<ref>{{cite web | title = Egypt | url = https://www.cia.gov/the-world-factbook/countries/egypt/ | archive-url = https://web.archive.org/web/20210104191953/https://www.cia.gov/the-world-factbook/countries/egypt/ | url-status = dead | archive-date = January 4, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |2&nbsp;million&nbsp;km² | Mexico |- |3.10&nbsp;million&nbsp;km² || Sakha (Yakutia) Republic in Russia (largest subnational governing body)<ref name="area">[http://www.gks.ru/bgd/free/b10_107/IssWWW.exe/Stg//%3Cextid%3E/%3Cstoragepath%3E::%7Ctab1-01-09.xls Rosstat (Russian Statistical Service), 2010] {{webarchive|url=https://web.archive.org/web/20121018030426/http://www.gks.ru/bgd/free/b10_107/IssWWW.exe/Stg//%3Cextid%3E/%3Cstoragepath%3E%3A%3A%7Ctab1-01-09.xls |date=2012-10-18 }} (xls). Retrieved 2012-06-15.</ref> |- |3.28&nbsp;million&nbsp;km² |India (country ranked 7th by area) |- |5&nbsp;million&nbsp;km² || Largest extent of the Roman Empire<ref name="Turchin222">{{cite journal|last2=Adams|first2=Jonathan M.|last3=Hall|first3=Thomas D|date=December 2006|title=East-West Orientation of Historical Empires|url=http://jwsr.pitt.edu/ojs/index.php/jwsr/article/view/369/381|journal=Journal of World-Systems Research|volume=12|issue=2|page=222|issn=1076-156X|last1=Turchin|first1=Peter|access-date=2016-09-16}}</ref><ref name="Taagepera125">{{cite journal|date=1979|title=Size and Duration of Empires: Growth-Decline Curves, 600 B.C. to 600 A.D.|jstor=1170959|journal=Social Science History|volume=3|issue=3/4|page=125|doi=10.2307/1170959|last1=Taagepera|first1=Rein}}</ref> |- |7.74&nbsp;million&nbsp;km² || Australia (country ranked 6th by area)<ref>{{cite web | title = Australia | url = https://www.cia.gov/the-world-factbook/countries/australia/ | archive-url = https://web.archive.org/web/20210109090604/https://www.cia.gov/the-world-factbook/countries/australia | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-10-28 }}</ref> |- |8.5&nbsp;million&nbsp;km² || Brazil |- |9.5&nbsp;million&nbsp;km² |China/ United States of America |- | rowspan="12" |10¹³ | rowspan="12" | &nbsp; |10&nbsp;million&nbsp;km² || Canada (including water)<ref>{{cite web | title = Canada | url = https://www.cia.gov/the-world-factbook/countries/canada/ | archive-url = https://web.archive.org/web/20210110054232/https://www.cia.gov/the-world-factbook/countries/canada | url-status = dead | archive-date = January 10, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |14&nbsp;million&nbsp;km² || Antarctica<ref>{{cite web | title = Antarctica | url = https://www.cia.gov/the-world-factbook/countries/antarctica/ | archive-url = https://web.archive.org/web/20210104184334/https://www.cia.gov/the-world-factbook/countries/antarctica/ | url-status = dead | archive-date = January 4, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-10-28 }}</ref> |- |14&nbsp;million&nbsp;km² || Arable land worldwide<!-- Calculation using 2010 FAO data: 1,380,515 * 1000 ha = 1.4e13 m^2 --><ref>{{cite web |title=FAO Resources page |year=2010 |publisher=FAO.org |url=http://www.fao.org/economic/ess/ess-publications/ess-yearbook/ess-yearbook2010/yearbook2010-reources/en/}}</ref> |-Mynameisnoted |16.6&nbsp;million&nbsp;km² || Surface area of Pluto<ref>{{cite web | url=https://solarsystem.nasa.gov/planets/pluto/facts | archive-url=https://web.archive.org/web/20150928233048/http://solarsystem.nasa.gov/planets/pluto/facts | archive-date=2015-09-28 | title=Pluto: By the Numbers | work=Solar System Exploration | publisher=NASA | access-date=2015-12-11 }}</ref> |- |17&nbsp;million&nbsp;km² || Russia (country ranked 1st by area)<ref>{{cite web | title = Russia | url = https://www.cia.gov/the-world-factbook/countries/russia/ | archive-url = https://web.archive.org/web/20210109173026/https://www.cia.gov/the-world-factbook/countries/russia/ | url-status = dead | archive-date = January 9, 2021 | work = The World Factbook | publisher = Central Intelligence Agency | access-date = 2011-09-29 }}</ref> |- |24&nbsp;million&nbsp;km² |Largest extent of Mongol Empire |- |30&nbsp;million&nbsp;km² || Africa<ref>{{cite web|title=Map of Africa|url=http://www.worldatlas.com/webimage/countrys/af.htm|publisher=Worldatlas.com|access-date=2012-01-04|quote=30,065,000 sq km}}</ref> |- |35.5&nbsp;million&nbsp;km² || Largest extent of the British Empire<ref name="Taagepera502">{{cite journal|date=September 1997|title=Expansion and Contraction Patterns of Large Polities: Context for Russia|jstor=2600793|journal=International Studies Quarterly|volume=41|issue=3|page=502|doi=10.1111/0020-8833.00053|author=Rein Taagepera|author-link=Rein Taagepera|url=https://escholarship.org/content/qt3cn68807/qt3cn68807.pdf?t=otc3in}}</ref> |- |38&nbsp;million&nbsp;km² || Surface area of the Moon<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Moon&Display=Facts | archive-url=https://web.archive.org/web/20040224174315/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Moon&Display=Facts | archive-date=2004-02-24 | title=Earth's Moon: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 }}</ref> |- |44.6&nbsp;million&nbsp;km² |Asia (largest continent by area) |- |70.5&nbsp;million&nbsp;km² |Indian Ocean<ref>{{Cite web |title=Indian Ocean - The World Factbook |url=https://www.cia.gov/the-world-factbook/oceans/indian-ocean/ |archive-url=https://web.archive.org/web/20210111034422/https://www.cia.gov/the-world-factbook/oceans/indian-ocean/ |url-status=dead |archive-date=January 11, 2021 |access-date=2024-11-07 |website=www.cia.gov}}</ref> |- |85.1&nbsp;million&nbsp;km² || Atlantic Ocean<ref>{{cite web | title = The World Factbook: Atlantic Ocean |date= 2011-03-24 | url = https://www.cia.gov/the-world-factbook/oceans/atlantic-ocean/ | archive-url = https://web.archive.org/web/20210111070300/https://www.cia.gov/the-world-factbook/oceans/atlantic-ocean/ | url-status = dead | archive-date = January 11, 2021 | publisher = Central Intelligence Agency | access-date = 2011-09-30 }}</ref> |- |rowspan=5|10¹⁴ |rowspan=5| &nbsp; |144&nbsp;million&nbsp;km² || Surface area of Mars<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mars&Display=Facts | archive-url=https://web.archive.org/web/20031215145455/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mars&Display=Facts | archive-date=2003-12-15 | title=Mars: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 }}</ref> |- |150&nbsp;million&nbsp;km² || Land area of Earth<ref name="CIAfactbook_world">{{cite web | title = The World Factbook: World |date= 2011-08-31 | url = https://www.cia.gov/the-world-factbook/countries/world/ | archive-url = https://web.archive.org/web/20210126032610/https://www.cia.gov/the-world-factbook/countries/world/ | url-status = dead | archive-date = January 26, 2021 | publisher = Central Intelligence Agency | access-date = 2011-09-27 }}</ref> |- |168.7&nbsp;million&nbsp;km² || Pacific Ocean<ref>{{cite web | title = The World Factbook: Pacific Ocean |date= 2011-11-17 | url = https://www.cia.gov/the-world-factbook/oceans/pacific-ocean/ | archive-url = https://web.archive.org/web/20210111052343/https://www.cia.gov/the-world-factbook/oceans/pacific-ocean/ | url-status = dead | archive-date = January 11, 2021 | publisher = Central Intelligence Agency | access-date = 2011-09-30 }}</ref> |- |360&nbsp;million&nbsp;km² || Water area of Earth<ref name="CIAfactbook_world"/> |- |510&nbsp;million&nbsp;km² || Total surface area of Earth<ref name="CIAfactbook_world"/> |}

==10¹⁵ to 10²⁶ square metres== {| class="wikitable" |+'''List of orders of magnitude for areas 10¹⁵ to 10²⁶ square metres.''' !Factor (m²) !Multiple !Value !Item |- |rowspan=2|10¹⁵ |rowspan=2|1 peta square meter P(m²) |1,000&nbsp;million&nbsp;km² || Surface area of the white dwarf, Van Maanen's star |- |7,600&nbsp;million&nbsp;km² || Surface area of Neptune<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Neptune&Display=Facts | archive-url=https://web.archive.org/web/20031215224327/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Neptune&Display=Facts | archive-date=2003-12-15 | title=Neptune: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 }}</ref> |- |rowspan=2|10¹⁶ |rowspan=2| &nbsp; |43,000&nbsp;million&nbsp;km² || Surface area of Saturn<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Saturn&Display=Facts | archive-url=https://web.archive.org/web/20040224191458/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Saturn&Display=Facts | archive-date=2004-02-24 | title=Saturn: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 }}</ref> |- |61 000&nbsp;million&nbsp;km² || Surface area of Jupiter,<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Facts | archive-url=https://web.archive.org/web/20031215141351/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Facts | archive-date=2003-12-15 | title=Jupiter: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 }}</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 1.535{{e|16}}&nbsp;m². |- |rowspan=2|10¹⁷ |rowspan=2| &nbsp; |2-600 000&nbsp;million&nbsp;km² || Surface area of the brown dwarf CT Chamaeleontis B.<!-- Surface area is uncertain because radius is uncertain: area = 4 * pi * r^2 using a range of r: r = (0.23 - 0.06) to (0.23 + 0.08) solar masses = 2-6e17 m^2 --> |- |460,000&nbsp;million&nbsp;km² || Area swept by the Moon's orbit of Earth |- |10¹⁸ |1 square gigametre (Gm²) |6.1 trillion&nbsp;km² || Surface area of the Sun<ref>{{cite web | url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sun&Display=Facts | title=Sun: Facts & Figures | work=Solar System Exploration | publisher=NASA | access-date=2011-09-29 | archive-url=https://web.archive.org/web/20110703081045/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sun&Display=Facts | archive-date=2011-07-03 }}</ref> |- |10¹⁹ |&nbsp; |30 trillion&nbsp;km² || Surface area of the star Vega |- |10²⁰ |&nbsp; |&nbsp;100 trillion&nbsp;km² |&nbsp; |- |10²¹ |1 zetta square meter Z(m²) |1 000 trillion&nbsp;km² | |- | rowspan="3" |10²² | rowspan="3" | &nbsp; |11,000 trillion&nbsp;km² || Area swept by Mercury's orbit around the Sun |- |37,000 trillion&nbsp;km² || Area swept by Venus' orbit around the Sun |- |71,000 trillion&nbsp;km² || Area swept by Earth's orbit around the Sun |- | rowspan="2" |10²³ | rowspan="2" | &nbsp; |160,000 trillion&nbsp;km² || Area swept by Mars' orbit around the Sun |- |281,000 trillion&nbsp;km² || Surface area of a Dyson sphere with a radius of 1 AU |- | rowspan="3" |10²⁴ | rowspan="3" | 1 yotta square meter (m²) 1 square terametre (Tm²) |1.9 quintillion&nbsp;km² || Area swept by Jupiter's orbit around the Sun |- |6.4 quintillion&nbsp;km² || Area swept by Saturn's orbit around the Sun |- |8.5 quintillion&nbsp;km² || Surface area of the red supergiant star Betelgeuse |- | rowspan="3" |10²⁵ | rowspan="3" | &nbsp; |24 quintillion&nbsp;km² || Surface area of the hypergiant star VY Canis Majoris |- |26 quintillion&nbsp;km² || Area swept by Uranus' orbit around the Sun |- |64 quintillion&nbsp;km² || Area swept by Neptune's orbit around the Sun |- |10²⁶ |&nbsp; |110 quintillion&nbsp;km² || Area swept by Pluto's orbit around the Sun<!-- area of ellipse = pi * semi-major axis * (semi-major axis * sqrt(1-eccentricity^2)) semi-major axis = 5.90638e12 m eccentricity ~= 0.2488 => area = 1.061e26 m^2 ~= 1.1e26 m^2--> |}

==10²⁷ square metres and larger== {| class="wikitable" |+'''List of orders of magnitude for areas 10²⁷ square metres and larger.''' !Factor (m²) !Multiple !Value !Item |- |10³⁰ |1 square petametre (Pm²) | | |- |10³¹ | |10&nbsp;Pm² | |- | rowspan="2" |10³² | |200&nbsp;Pm² |Roughly the surface area of the Oort Cloud |- | |300&nbsp;Pm² |Roughly the surface area of a Bok globule |- |10³³ | |1 000&nbsp;Pm² | |- |10³⁴ | |30 000&nbsp;Pm² |Roughly the surface area of The Bubble nebula |- |10³⁵ | |100 000&nbsp;Pm² | |- |10³⁶ |1 square exametre (Em²) | | |- | colspan="4" |... |- |10⁴¹ | |700 000 Em²<!-- Calculation in attempt to verify this number: using 100000 light years as diameter of Milky Way, assume the disk is round, area = pi * (100000 light-years / 2 * 9.5e15 meters/light-year)^2 = 7e41 m^2 --> |Roughly the area of Milky Way's galactic disk |- |10⁴² |1 square zettametre (Zm²) | | |- | colspan="4" |... |- |10⁴⁸ |1 square yottametre (Ym²) | | |- |10⁵⁴ |1 square ronnametre (Rm²) |2.4 Rm² |Surface area of the observable universe<ref>{{Cite web | url = http://www.wolframalpha.com/input/?i=4*pi*(radius+of+observable+universe)%5E2 | title = Wolfram{{!}}Alpha: Computational Knowledge Engine | website = www.wolframalpha.com | access-date = 2016-03-01 }}</ref> |}

==See also== * Orders of magnitude * Lists of political and geographic subdivisions by total area

==References== {{Reflist}}

{{Orders of magnitude}} {{Portal bar|Physics}}

{{DEFAULTSORT:Orders Of Magnitude (Area)}} Area