# Orders of magnitude (area): Wikis

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# Encyclopedia

An area of one square kilometre consists of 100 hectares each containing 10000 square metres.

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

List of orders of magnitude for area
Factor (m2) Multiple Value Item
10−70   2.61×10−70 m2 the Planck area, $\frac{G \hbar}{c^3}$
...
10−52   10−52 m2 1 shed
...
10−30 1 square femtometre (fm2)
10−28   10−28 m2 1 barn, roughly the cross-sectional area of an uranium nucleus
10−24 1 square picometre (pm2)
10−20 1 square ångström2)
10−18 1 square nanometre (nm2)
10−12 1 square micrometre (μm2)
...
List of orders of magnitude for areas 10−8 to 10−1 square metres
Factor (m2) Multiple Value Item
10−8   0.055 mm2 Size of a pixel on a typical modern computer display
10−7
10−6 1 square millimetre (mm2) 2 mm2 Area of the head of a pin
10−5
10−4 1 square centimetre (cm2) 5 cm2 Area of a typical postage stamp
10−3   48 cm2 Largest side of a cigarette box
10−2 1 square decimetre (dm2) 0.060 m2 American letter paper (11 × 8.5 inches, "A" size)
0.0625 m2 International A4 paper (210 × 297 mm)
0.093 m2 1 square foot
10−1   0.125 m2 International A3 paper (297 × 420 mm)
0.181 m2 Surface area of a basketball (diameter 24 cm)
0.250 m2 International A2 paper (420 × 594 mm)
0.500 m2 International A1 paper (594 × 841 mm)
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)
2–4 m2 Area of the top of an office desk
101   10–20 m2 A parking space
102 1 square decametre (dam2) 100 m2 One are (a)
162 m2 Size of a volleyball field (9 × 18 metres)
186 m2 2000 square feet, the floor area of a typical suburban three-bedroom house in North America
103   4,047 m2 1 acre
5,400 m2 Size of an American football field
7,300 m2 Size of a football (soccer) field
104 1 square hectometre (hm2) 10 000 m2 1 hectare (ha)
55 000 m2 Base of the Great Pyramid of Giza
105   190 000 m2 Irish National Botanic Gardens
440 000 m2 Vatican City
620 000 m2 Total floor area of the Pentagon
106 1 square kilometre (km2) 1.95 km2 Monaco (country ranked 192nd by area)
2.59 km2 1 square mile
2.9 km2 City of London (not all of modern London)
107   59.5 km2 Manhattan Island
61 km2 San Marino
List of orders of magnitude for areas 108 to 1014 square metres.
Factor (m2) Multiple Value Item
108   105 km2 Paris (inner city only)
122 km2 Walt Disney World
272 km2 Taipei City
641 km2 Toronto
109   1092 km2 Hong Kong
1290 km2 Los Angeles, California, USA
2187 km2 Tokyo
5700 km2 Bali
8028 km2 Community of Madrid, Spain
1010   10,991 km2 Jamaica
68,870 km2 Lake Victoria
83,858 km2 Austria
1011   103,000 km2 Iceland
301,230 km2 Italy
504,782 km2 Spain
780,580 km2 Turkey
1012 1 square megametre (Mm2) =
1 million km2
1.00 Mm2 Egypt (country ranked 29th by area)
7.69 Mm2 Australia (country ranked 6th by area)
9 Mm2 Largest extent of the Roman Empire
1013   10 Mm2 Canada (including water)
17 Mm2 Russia (country ranked 1st by area)
30 Mm2 Africa
36 Mm2 Largest extent of the British Empire
38 Mm2 Surface area of the Moon
77 Mm2 Atlantic Ocean
1014   144 Mm2 Surface area of Mars
150 Mm2 Land area of Earth
360 Mm2 Water area of Earth
510 Mm2 Total surface area of Earth
List of orders of magnitude for areas 1015 to 1026 square metres.
Factor (m2) Multiple Value Item
1015   7,700 Mm2 Neptune
1016   44,000 Mm2 Saturn
64,000 Mm2 Jupiter
1017   4.6×1017 m2 Area swept by the Moon's orbit of Earth
1018 1 square gigametre (Gm2) 6.1×1018 m2 Surface area of the Sun
1019
1020
1021   1.5×1021 m2 Surface area of a Ringworld with a radius of 1 AU and width of 1.6 Gm
1022   1.1×1022 m2 Area swept by Mercury's orbit around the Sun
3.7×1022 m2 Area swept by Venus' orbit around the Sun
7.1×1022 m2 Area swept by Earth's orbit around the Sun
1023   1.6×1023 m2 Area swept by Mars' orbit around the Sun
2.81×1023 m2 Surface area of a Dyson sphere with a radius of 1 AU
1024 1 square terametre (Tm2) 1.9×1024 m2 Area swept by Jupiter's orbit around the Sun
6.4×1024 m2 Area swept by Saturn's orbit around the Sun
1025   2.6×1025 m2 Area swept by Uranus' orbit around the Sun
6.4×1025 m2 Area swept by Neptune's orbit around the Sun
1026   1.1×1026 m2 Area swept by Pluto's orbit around the Sun
List of orders of magnitude for areas 1027 square metres and larger.
Factor (m2) Value Item
...
1032 1.76×1032 m2 Roughly the surface area of a Oort Cloud
3×1032 m2 Roughly the surface area of a Bok globule
...
1034 3×1034 m2 Roughly the surface area of The Bubble
...
1041 7×1041 m2 Roughly the area of Milky Way's galactic disk