# Orders of magnitude (area)

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

List of orders of magnitude for area 10$^{−70}$ to 10$^{−9}$ square metres :
| Factor (m$^2$) | Multiple | Value | Item |
| 10$^{−70}$ | | 2.6×10$^{−70}$ m$^2$ | Planck area, ${\frac {G\hbar }{c^{3}}}$ |
| 10$^{−60}$ | 1 square quectometre |
| 10$^{−54}$ | 1 square rontometre |
| 10$^{−52}$ | | 100 rm$^2$ | 1 shed |
| 10$^{−48}$ | 1 square yoctometre (ym$^2$) | 1 ym$^2$ | |
| 10$^{−43}$ | | 100,000 ym$^2$ | 1 femtobarn |
| 10$^{−42}$ | 1 square zeptometre (zm$^2$) | 1 zm$^2$ | |
| 10$^{−36}$ | 1 square attometre (am$^2$) | 1 am$^2$ | |
| 10$^{−30}$ | 1 square femtometre (fm$^2$) | 1 fm$^2$ | |
| 10$^{−29}$ | | 66.52 fm$^2$ | Thomson cross-section of the electron |
| 10$^{−28}$ | | 100 fm$^2$ | 1 barn, roughly the cross-sectional area of a uranium nucleus |
| 10$^{−24}$ | 1 square picometre (pm$^2$) | 1 pm$^2$ | |
| 10$^{−20}$ | 1 square angstrom (Å$^2$) | 10,000 pm$^2$ | |
| 10$^{−19}$ | | 100,000 pm$^2$ | Area of a lipid bilayer, per molecule |
| 10$^{−19}$ | | 75,000–260,000 pm$^2$ | Surface area of the 20 standard amino acids |
| 10$^{−18}$ | 1 square nanometre (nm$^2$) | 1 nm$^2$ | |
| 10$^{−16}$ | | 100 nm$^2$ | Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable) |
| 10$^{−14}$ | | 17,000 nm$^2$ | Cross-sectional area of a nuclear pore complex in vertebrates |
| 10$^{−12}$ | 1 square micrometre (μm$^2$) | 6 μm$^2$ | Surface area of an E. coli bacterium |
| 10$^{−10}$ | | 100 μm$^2$ | Surface area of a red blood cell |
| 10$^{−9}$ | | 6,000–110,000 μm$^2$ | Range of common LCD screen pixel sizes |
| 10$^{−9}$ | | 7,000 μm$^2$ | Area of a dot printed using 300 dots per inch resolution |
| 10$^{−9}$ | | 8,000 μm$^2$ | Cross-sectional area of a straight human hair that is 100 μm in diameter |

## 10$^{−8}$ to 10$^{−1}$ square metres

List of orders of magnitude for areas 10$^{−8}$ to 10$^{−1}$ square metres :
| Factor (m$^2$) | Multiple | Value | Item |
| 10$^{−8}$ | | 55,000 μm$^2$ | Size of a pixel on a typical modern computer display |
| 10$^{−7}$ | | 2-400,000 μm$^2$ | Cross-sectional area of a mechanical pencil lead (0.5-0.7 mm in diameter) |
| 10$^{−6}$ | 1 square millimetre (mm$^2$) | 1–2 mm$^2$ | Area of a human fovea |
| 10$^{−6}$ | 1 square millimetre (mm$^2$) | 2 mm$^2$ | Area of the head of a pin |
| 10$^{−5}$ | | 30–50 mm$^2$ | Area of a 6–8 mm hole punched in a piece of paper by a hole punch |
| 10$^{−4}$ | 1 square centimetre (cm$^2$) | 290 mm$^2$ | Area of one side of a U.S. penny |
| 10$^{−4}$ | 1 square centimetre (cm$^2$) | 500 mm$^2$ | Area of a typical postage stamp |
| 10$^{−3}$ | | 1,100 mm$^2$ | Area of a human retina |
| 10$^{−3}$ | | 4,600 mm$^2$ | Area of the face of a credit card |
| 10$^{−3}$ | | 10$^{−2}$ | 1 square decimetre (dm$^2$) | 10,000 mm$^2$ | Index card (3 × 5 inches) |
| 60,000 mm$^2$ | American letter paper (11 × 8.5 inches, "A" size) | 10$^{−2}$ | 1 square decimetre (dm$^2$) |
| 62,370 mm$^2$ | International A4 paper (210 × 297 mm) | 10$^{−2}$ | 1 square decimetre (dm$^2$) |
| 92,903 mm$^2$ | 1 square foot | 10$^{−2}$ | 1 square decimetre (dm$^2$) |
| 10$^{−1}$ | | 125,000 mm$^2$ | International A3 paper (297 × 420 mm) |
| 10$^{−1}$ | | 180,000 mm$^2$ | Surface area of a basketball (diameter 24 cm) |
| 10$^{−1}$ | | 250,000 mm$^2$ | International A2 paper (420 × 594 mm) |
| 10$^{−1}$ | | 500,000 mm$^2$ | International A1 paper (594 × 841 mm) |

## 10$^0$ to 10$^7$ square metres

List of orders of magnitude for areas 10$^0$ to 10$^7$ square metres. :
| Factor (m$^2$) | Multiple | Value | Item |
| 10$^0$ | 1 square metre | 1 m$^2$ | International A0 paper (841 × 1189 mm) |
| 10$^0$ | 1 square metre | 1.73 m$^2$ | A number commonly used as the average body surface area of a human |
| 10$^0$ | 1 square metre | 1–4 m$^2$ | Area of the top of an office desk |
| 10$^1$ | | 10–20 m$^2$ | A parking space |
| 10$^1$ | | 70 m$^2$ | Approximate surface area of a human lung |
| 10$^2$ | 1 square decametre (dam$^2$) | 100 m$^2$ | One are (a) |
| 10$^2$ | 1 square decametre (dam$^2$) | 162 m$^2$ | Size of a volleyball court (18 × 9 metres) |
| 10$^2$ | 1 square decametre (dam$^2$) | 202 m$^2$ | Floor area of a median suburban three-bedroom house in the US in 2010: 2,169 sq ft (201.5 m$^2$) |
| 10$^2$ | 1 square decametre (dam$^2$) | 261 m$^2$ | Size of a tennis court |
| 10$^2$ | 1 square decametre (dam$^2$) | 437 m$^2$ | Size of an NBA/WNBA/NCAA basketball court |
| 10$^2$ | 1 square decametre (dam$^2$) | 845 m$^2$ | Wing area of Airbus A380, the largest commercial airliner |
| 10$^2$ | 1 square decametre (dam$^2$) | 978 m$^2$ | Size of the primary mirror of the Extremely Large Telescope, the largest optical telescope in the world (under construction) |
| 10$^3$ | 1 kilo square meter k(m$^2$) | 1,000 m$^2$ | Surface area of a modern stremma or dunam |
| 10$^3$ | 1 kilo square meter k(m$^2$) | 1,250 m$^2$ | Surface area of the water in an Olympic-size swimming pool |
| 10$^3$ | 1 kilo square meter k(m$^2$) | 4,047 m$^2$ | 1 acre |
| 10$^3$ | 1 kilo square meter k(m$^2$) | 5,400 m$^2$ | Size of an American football field |
| 10$^3$ | 1 kilo square meter k(m$^2$) | 7,140 m$^2$ | Size of a typical football (soccer) field |
| 10$^4$ | 1 square hectometre (hm$^2$) | 10,000 m$^2$ | 1 hectare (ha) |
| 10$^4$ | 1 square hectometre (hm$^2$) | 17,000 m$^2$ | Approximate area of a cricket field (theoretical limits: 6,402 m$^2$ to 21,273 m$^2$) |
| 10$^4$ | 1 square hectometre (hm$^2$) | 22,100 m$^2$ | Area of a Manhattan city block |
| 10$^4$ | 1 square hectometre (hm$^2$) | 53,000 m$^2$ | Base of the Great Pyramid of Giza |
| 10$^5$ | | 195,000 m$^2$ | Irish National Botanic Gardens |
| 10$^5$ | | 490,000 m$^2$ | Vatican City |
| 10$^5$ | | 600,000 m$^2$ | Total floor area of the Pentagon |
| 10$^5$ | | 659,611 m$^2$ | Total floor area of Surat Diamond Bourse (largest office building) |
| 10$^5$ | | 887,800 m$^2$ | AvtoVAZ main assembly building, Tolyatti, Russia (largest building by footprint) |
| 10$^6$ | 1 mega square meter M(m$^2$) 1 square kilometre (km$^2$) | 1.76 km$^2$ | New Century Global Center, Chengdu, China (largest building by total floor area) |
| 10$^6$ | 1 mega square meter M(m$^2$) 1 square kilometre (km$^2$) | 2 km$^2$ | Monaco (country ranked 192nd by area) |
| 10$^6$ | 1 mega square meter M(m$^2$) 1 square kilometre (km$^2$) | 2.59 km$^2$ | 1 square mile |
| 10$^6$ | 1 mega square meter M(m$^2$) 1 square kilometre (km$^2$) | 2.9 km$^2$ | City of London (not all of modern London) |
| 10$^7$ | | 59.5 km$^2$ | Manhattan Island (land area) |
| 10$^7$ | | 61 km$^2$ | San Marino |

## 10$^8$ to 10$^{14}$ square metres

| Factor (m$^2$) | Multiple | Value | Item |
| 10$^8$ | | 105 km$^2$ | Paris (inner city only) |
| 10$^8$ | | 110 km$^2$ | Walt Disney World |
| 10$^8$ | | 272 km$^2$ | Taipei City |
| 10$^8$ | | 630 km$^2$ | Toronto |
| 10$^9$ | 1 giga square meter G(m$^2$) | 1,100 km$^2$ | Hong Kong |
| 10$^9$ | 1 giga square meter G(m$^2$) | 1,290 km$^2$ | Los Angeles, California, United States (city) |
| 10$^9$ | 1 giga square meter G(m$^2$) | 1,962 km$^2$ | Jacksonville, Florida; largest city in the Continental US |
| 10$^9$ | 1 giga square meter G(m$^2$) | 2,188 km$^2$ | Tokyo |
| 10$^9$ | 1 giga square meter G(m$^2$) | 3,130 km$^2$ | Average area of an American county |
| 10$^9$ | 1 giga square meter G(m$^2$) | 5,780 km$^2$ | Administrative area of Bali |
| 10$^9$ | 1 giga square meter G(m$^2$) | 8,030 km$^2$ | Community of Madrid, Spain |
| 10$^{10}$ | | 11,000 km$^2$ | Jamaica |
| 10$^{10}$ | | 30,528 km$^2$ | Belgium |
| 10$^{10}$ | | 68,870 km$^2$ | Lake Victoria |
| 10$^{10}$ | | 84,000 km$^2$ | Austria |
| 10$^{11}$ | | 100,000 km$^2$ | South Korea |
| 10$^{11}$ | | 167,996 km$^2$ | Jiuquan in China |
| 10$^{11}$ | | 232,000 km$^2$ | Total area covered by underwater search for Malaysia Airlines Flight 370 (including both 2014-2017 and 2018 searches) |
| 10$^{11}$ | | 238,397 km$^2$ | Romania |
| 10$^{11}$ | | 301,338 km$^2$ | Italy |
| 10$^{11}$ | | 357,000 km$^2$ | Germany |
| 10$^{11}$ | | 377,900 km$^2$ | Japan |
| 10$^{11}$ | | 510,000 km$^2$ | Spain |
| 10$^{11}$ | | 780,000 km$^2$ | Turkey |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 1.0 Mm$^2$ | Egypt (country ranked 29th by area) |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 2 Mm$^2$ | Mexico |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 3.10 Mm$^2$ | Sakha (Yakutia) Republic in Russia (largest subnational governing body) |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 3.28 Mm$^2$ | India (country ranked 7th by area) |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 5 Mm$^2$ | Largest extent of the Roman Empire |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 7.74 Mm$^2$ | Australia (country ranked 6th by area) |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 8.5 Mm$^2$ | Brazil |
| 10$^{12}$ | 1 tera square meter T(m$^2$) 1 square megametre (Mm$^2$) | 9.5 Mm$^2$ | China/ United States of America |
| 10$^{13}$ | | 10 Mm$^2$ | Canada (including water) |
| 10$^{13}$ | | 14 Mm$^2$ | Antarctica |
| 10$^{13}$ | | 14 Mm$^2$ | Arable land worldwide |
| 10$^{13}$ | | 16.6 Mm$^2$ | Surface area of Pluto |
| 10$^{13}$ | | 17 Mm$^2$ | Russia (country ranked 1st by area) |
| 10$^{13}$ | | 24 Mm$^2$ | Largest extent of Mongol Empire |
| 10$^{13}$ | | 30 Mm$^2$ | Africa |
| 10$^{13}$ | | 35.5 Mm$^2$ | Largest extent of the British Empire |
| 10$^{13}$ | | 38 Mm$^2$ | Surface area of the Moon |
| 10$^{13}$ | | 44.6 Mm$^2$ | Asia (largest continent by area) |
| 10$^{13}$ | | 70.5 Mm$^2$ | Indian Ocean |
| 10$^{13}$ | | 85.1 Mm$^2$ | Atlantic Ocean |
| 10$^{14}$ | | 144 Mm$^2$ | Surface area of Mars |
| 10$^{14}$ | | 150 Mm$^2$ | Land area of Earth |
| 10$^{14}$ | | 168.7 Mm$^2$ | Pacific Ocean |
| 10$^{14}$ | | 360 Mm$^2$ | Water area of Earth |
| 10$^{14}$ | | 510 Mm$^2$ | Total surface area of Earth |

## 10$^{15}$ to 10$^{26}$ square metres

List of orders of magnitude for areas 10$^{15}$ to 10$^{26}$ square metres. :
| Factor (m$^2$) | Multiple | Value | Item |
| 10$^{15}$ | 1 peta square meter P(m$^2$) | 1,000 Mm$^2$ | Surface area of the white dwarf, Van Maanen's star |
| 10$^{15}$ | 1 peta square meter P(m$^2$) | 7,600 Mm$^2$ | Surface area of Neptune |
| 10$^{16}$ | | 43,000 Mm$^2$ | Surface area of Saturn |
| 10$^{16}$ | | 61 000 Mm$^2$ | 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 1.535×10$^{16}$ m$^2$. |
| 10$^{17}$ | | 2-600 000 Mm$^2$ | Surface area of the brown dwarf CT Chamaeleontis B. |
| 10$^{17}$ | | 460,000 Mm$^2$ | Area swept by the Moon's orbit of Earth |
| 10$^{18}$ | 1 square gigametre (Gm$^2$) | 6.1 Gm$^2$ | Surface area of the Sun |
| 10$^{19}$ | | 30 Gm$^2$ | Surface area of the star Vega |
| 10$^{20}$ | | 100 Gm$^2$ | |
| 10$^{21}$ | 1 zetta square meter Z(m$^2$) | 1 000 Gm$^2$ | |
| 10$^{22}$ | | 11 000 Gm$^2$ | Area swept by Mercury's orbit around the Sun |
| 10$^{22}$ | | 37 000 Gm$^2$ | Area swept by Venus' orbit around the Sun |
| 10$^{22}$ | | 71 000 Gm$^2$ | Area swept by Earth's orbit around the Sun |
| 10$^{23}$ | | 160 000 Gm$^2$ | Area swept by Mars' orbit around the Sun |
| 10$^{23}$ | | 281 000 Gm$^2$ | Surface area of a Dyson sphere with a radius of 1 AU |
| 10$^{24}$ | 1 yotta square meter (m$^2$) 1 square terametre (Tm$^2$) | 1.9 Tm$^2$ | Area swept by Jupiter's orbit around the Sun |
| 10$^{24}$ | 1 yotta square meter (m$^2$) 1 square terametre (Tm$^2$) | 6.4 Tm$^2$ | Area swept by Saturn's orbit around the Sun |
| 10$^{24}$ | 1 yotta square meter (m$^2$) 1 square terametre (Tm$^2$) | 8.5 Tm$^2$ | Surface area of the red supergiant star Betelgeuse |
| 10$^{25}$ | | 24 Tm$^2$ | Surface area of the hypergiant star VY Canis Majoris |
| 10$^{25}$ | | 26 Tm$^2$ | Area swept by Uranus' orbit around the Sun |
| 10$^{25}$ | | 64 Tm$^2$ | Area swept by Neptune's orbit around the Sun |
| 10$^{26}$ | | 110 Tm$^2$ | Area swept by Pluto's orbit around the Sun |

## 10$^{27}$ square metres and larger

List of orders of magnitude for areas 10$^{27}$ square metres and larger. :
| Factor (m$^2$) | Multiple | Value | Item |
| 10$^{30}$ | 1 square petametre (Pm$^2$) | | |
| 10$^{31}$ | | 10 Pm$^2$ | |
| 10$^{32}$ | | 200 Pm$^2$ | Roughly the surface area of an Oort Cloud |
| 10$^{32}$ | | 300 Pm$^2$ | Roughly the surface area of a Bok globule |
| 10$^{33}$ | | 1 000 Pm$^2$ | |
| 10$^{34}$ | | 30 000 Pm$^2$ | Roughly the surface area of The Bubble nebula |
| 10$^{35}$ | | 100 000 Pm$^2$ | |
| 10$^{36}$ | 1 square exametre (Em$^2$) | | |
| 10$^{41}$ | | 700 000 Em$^2$ | Roughly the area of Milky Way's galactic disk |
| 10$^{42}$ | 1 square zettametre (Zm$^2$) | | |
| 10$^{48}$ | 1 square yottametre (Ym$^2$) | | |
| 10$^{54}$ | 1 square ronnametre (Rm$^2$) | 2.4 Rm$^2$ | Surface area of the observable universe |