This page is a progressive and labelled list of the SI area orders of magnitude, with certain examples appended to some list objects.
to square metres +List of orders of magnitude for area to square metresFactor (m2)MultipleValueItem 2.6 m2Planck area, Calculated: square of the Planck length = (1.62e-35 m)^2 = 2.6e-70 m^2 1 square quectometre 1 square rontometre 100 rm21 shed1 square yoctometre (ym2) 1 ym2 100,000 ym21 femtobarn10−421 square zeptometre (zm2) 1 zm2 10−361 square attometre (am2) 1 am2 10−301 square femtometre (fm2) 1 fm2 10−29 66.52 fm2 Thomson cross-section of the electron10−28 100 fm21 barn, roughly the cross-sectional area of a uranium nucleus10−241 square picometre (pm2) 1 pm2 10−201 square angstrom (Å2) 10,000 pm2 10−19100,000 pm2Area of a lipid bilayer, per molecule75,000–260,000 pm2Surface area of the 20 standard amino acids10−181 square nanometre (nm2) 1 nm2 10−16100 nm2Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable)10−1417,000 nm2Cross-sectional area of a nuclear pore complex in vertebrates10−121 square micrometre (μm2)6 μm2Surface area of an E. coli bacterium10−10 100 μm2Surface area of a red blood cell10−9 6,000–110,000 μm2Range of common LCD screen pixel sizesCalculated: 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 7,000 μm2Area of a dot printed using 300 dots per inch resolutionCalculated: (300 dots per inch / 2.54e-2 m/inch)^(-2) = 7.2e-9 m^2 8,000 μm2Cross-sectional area of a straight human hair that is 100 μm in diameterCalculated: 100 μm in diameter => pi * ((1e-4 m)/2)**2 = 7.9e-9 m^2
10−8 to 10−1 square metres +List of orders of magnitude for areas 10−8 to 10−1 square metresFactor (m2)MultipleValueItem10−8 55,000 μm2Size of a pixel on a typical modern computer display10−7 2-400,000 μm2Cross-sectional area of a mechanical pencil lead (0.5-0.7 mm in diameter)Calculated: pi * (0.5mm/2)^2 = 2.0e-7 m^2 and pi * (0.7mm/2)^2 = 3.8e-7 m^2)10−61 square millimetre (mm2)1–2 mm2Area of a human fovea2 mm2Area of the head of a pin10−5 30–50 mm2Area of a 6–8 mm hole punched in a piece of paper by a hole punchCalculated: ((6e-3 m)/2)**2 * pi = 2.8e-5 m^2 and ((8e-3 m)/2)**2 * pi = 5.0e-5 m^210−41 square centimetre (cm2)290 mm2Area of one side of a U.S. pennyCalculated: area = pi * diameter^2 / 4 = 3.14 * (19.05e-3 m)^2 = 2.850e-4 m^2500 mm2Area of a typical postage stamp10−3 1,100 mm2Area of a human retina4,600 mm2Area of the face of a credit card10−2 1 square decimetre (dm2)10,000 mm2 Index card (3 × 5 inches)Calculated: 3 inches * 5 inches * (2.54e-2 m/inch)^2 = 9.7e-3 m^2 ~= 0.01 m^260,000 mm2 American letter paper (11 × 8.5 inches, "A" size)62,370 mm2 International A4 paper (210 × 297 mm)92,903 mm2 1 square footCalculated: 1 foot * 1 foot * (0.3048 meters / foot)^2 = 0.092.90304 m^210−1 125,000 mm2 International A3 paper (297 × 420 mm) 180,000 mm2 Surface area of a basketball (diameter 24 cm)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^2250,000 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)MultipleValueItem100 1 square metre1 m2 International A0 paper (841 × 1189 mm)1.73 m2 A number commonly used as the average body surface area of a human1–4 m2 Area of the top of an office desk101 10–20 m2A parking space70 m2Approximate surface area of a human lung1021 square decametre (dam2)100 m2One are (a)162 m2Size of a volleyball court (18 × 9 metres)202 m2Floor area of a median suburban three-bedroom house in the US in 2010: 261 m2Size of a tennis court437 m2Size of an NBA/WNBA/NCAA basketball courtCalculated: 4,700 sq ft * (0.3048 ft/m)2 = 436.644288 m2845 m2Wing area of Airbus A380, the largest commercial airliner978 m2Size of the primary mirror of the Extremely Large Telescope, the largest optical telescope in the world (under construction) 103 1 kilo square meter k(m2)1,000 m2 Surface area of a modern stremma or dunam1,250 m2 Surface area of the water in an Olympic-size swimming poolCalculated: 50 m * 25 m = 1250 m^24,047 m2 1 acre5,400 m2 Size of an American football fieldCalculated: 360 feet * 160 feet * (0.3048 m/ft)^2 = 5351 m^2 ~= 5400 m^27,140 m2 Size of a typical football (soccer) fieldCalculated: 105 m * 68 m = 7140 m^2104 1 square hectometre (hm2)10,000 m2 1 hectare (ha)17,000 m2 Approximate area of a cricket field (theoretical limits: 6,402 m2 to 21,273 m2)22,100 m2 Area of a Manhattan city block53,000 m2 Base of the Great Pyramid of GizaCalculated: 230.364 m^2 ~= 53068 m^2105 195,000 m2 Irish National Botanic Gardens490,000 m2 Vatican City600,000 m2 Total floor area of the Pentagon659,611 m2Total floor area of Surat Diamond Bourse (largest office building)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)2.59 km2 1 square mileCalculated: 1 mile * 1 mile * (1.61 km / mile)^2 = 2.59 km^22.9 km2 City of London (not all of modern London)107 59.5 km2 Manhattan Island (land area)61 km2 San Marino
108 to 1014 square metres Factor (m2)MultipleValueItem108 105 km2 Paris (inner city only)110 km2 Walt Disney World272 km2 Taipei City630 km2 Toronto109 1 giga square meter G(m2)1,100 km2 Hong Kong1,290 km2 Los Angeles, California, United States (city)1,962 km2 Jacksonville, Florida; largest city in the Continental US2,188 km2 Tokyo3,130 km2Average area of an American county5,780 km2 Administrative area of Bali8,030 km2 Community of Madrid, Spain1010 11,000 km2 Jamaica30,528 km2 Belgium68,870 km2 Lake Victoria84,000 km2 Austria1011 100,000 km2 South Korea167,996 km2 Jiuquan in China232,000 km2 Total area covered by underwater search for Malaysia Airlines Flight 370 (including both 2014-2017 and 2018 searches)238,397 km2RomaniaThe World Factbook. Central Intelligence Agency. Retrieved 2011-09-29.301,338 km2 Italy357,000 km2 Germany377,900 km2 Japan510,000 km2 Spain780,000 km2 Turkey1012 1 tera square meter T(m2) 1 square megametre (million km2)1.0 million km2 Egypt (country ranked 29th by area)2 million km2 Mexico3.10 million km2 Sakha (Yakutia) Republic in Russia (largest subnational governing body)Rosstat (Russian Statistical Service), 2010 (xls). Retrieved 2012-06-15.3.28 million km2India (country ranked 7th by area)5 million km2 Largest extent of the Roman Empire7.74 million km2 Australia (country ranked 6th by area)8.5 million km2 Brazil9.5 million km2China/ United States of America1013 10 million km2 Canada (including water)14 million km2 Antarctica14 million km2 Arable land worldwide16.6 million km2 Surface area of Pluto17 million km2 Russia (country ranked 1st by area)24 million km2Largest extent of Mongol Empire30 million km2 Africa35.5 million km2 Largest extent of the British Empire38 million km2 Surface area of the Moon44.6 million km2Asia (largest continent by area)70.5 million km2Indian Ocean85.1 million km2 Atlantic Ocean1014 144 million km2 Surface area of Mars150 million km2 Land area of Earth168.7 million km2 Pacific Ocean360 million km2 Water area of Earth510 million km2 Total surface area of Earth
1015 to 1026 square metres +List of orders of magnitude for areas 1015 to 1026 square metres.Factor (m2)MultipleValueItem10151 peta square meter P(m2)1,000 million km2 Surface area of the white dwarf, Van Maanen's star7,600 million km2 Surface area of Neptune1016 43,000 million km2 Surface area of Saturn61 000 million km2 Surface area of Jupiter, 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 m2.1017 2-600 000 million km2 Surface area of the brown dwarf CT Chamaeleontis B.460,000 million km2 Area swept by the Moon's orbit of Earth10181 square gigametre (Gm2)6.1 trillion km2 Surface area of the Sun1019 30 trillion km2 Surface area of the star Vega1020 100 trillion km2 10211 zetta square meter Z(m2)1 000 trillion km21022 11,000 trillion km2 Area swept by Mercury's orbit around the Sun37,000 trillion km2 Area swept by Venus' orbit around the Sun71,000 trillion km2 Area swept by Earth's orbit around the Sun1023 160,000 trillion km2 Area swept by Mars' orbit around the Sun281,000 trillion km2 Surface area of a Dyson sphere with a radius of 1 AU1024 1 yotta square meter (m2) 1 square terametre (Tm2)1.9 quintillion km2 Area swept by Jupiter's orbit around the Sun6.4 quintillion km2 Area swept by Saturn's orbit around the Sun8.5 quintillion km2 Surface area of the red supergiant star Betelgeuse1025 24 quintillion km2 Surface area of the hypergiant star VY Canis Majoris26 quintillion km2 Area swept by Uranus' orbit around the Sun64 quintillion km2 Area swept by Neptune's orbit around the Sun1026 110 quintillion km2 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)MultipleValueItem10301 square petametre (Pm2)103110 Pm21032200 Pm2Roughly the surface area of the Oort Cloud300 Pm2Roughly the surface area of a Bok globule10331 000 Pm2103430 000 Pm2Roughly the surface area of The Bubble nebula1035100 000 Pm210361 square exametre (Em2)...1041700 000 Em2Roughly the area of Milky Way's galactic disk10421 square zettametre (Zm2)...10481 square yottametre (Ym2)10541 square ronnametre (Rm2)2.4 Rm2Surface area of the observable universe
See also Orders of magnitude Lists of political and geographic subdivisions by total area
References