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Characteristic areas
Select a unit:
| Field | Object | Area in | Remarks |
|---|---|---|---|
| Earth |  Earth's total surface | info | |
| Earth's water surface | info | ||
| Earth's land surface | info | ||
 Pacific ocean | info | ||
| Atlantic ocean | info | ||
 Arctic ocean sea ice (Sep. 1982) | info | ||
| Arctic ocean sea ice (Sep. 2012) | info | ||
 Sahara desert | info | ||
 Amazon rainforest | info | ||
 Biggest freshwater lake (Superior, Great Lakes) | info | ||
| Life |  Surface area of human lungs | info | |
 Body surface area (average men) | info | ||
 Body surface area (average women) | info | ||
 Cross-area of human hair (0.05mm diameter) | info | ||
 Human red blood cell surface | info | ||
| Consruction |  Largest building floor area (New Century Global Center, China) | info | |
 Largest city-square (Xinghai Square, China) | info | ||
| Largest building footprint (Aalsmeer Flower Auction, Netherlands) | info | ||
 Forbidden City (Beijing, China) | info | ||
 Great Pyramid of Giza footprint | info | ||
| Technology |  Boeing 747-400 wing area | info | |
| An-225 Mriya wing area | info | ||
 F16 wing area | info | ||
 International Space Station solar cells | info | ||
 Sail area of a Finn class boat | info | ||
 Sail area of the Cutty Sark clipper | info | ||
| Sail area of the Preu�?en ship (largest ever) | info | ||
| Space |  Moon's surface | info | |
 Sun's surface | info | ||
 Jupiter surface | info | ||
 Mercury surface | info | ||
 Earth's orbital disc area | info | ||
 Solar System disc (up to Kuiper belt) | info |
Table of Contents
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Convert to all other units
Enter a value to the area field above, in order to see the results in this table.
| System | Convert to: | Result |
|---|---|---|
| SI | Square Nanometers [nm2] | |
| Square Micrometers [μm2] | ||
| Square Millimeters [mm2] | ||
| Square Centimeters [cm2] | ||
| Square Meters [m2] | ||
| Hectares [ha] | ||
| Square Kilometers [km2] | ||
| Imperial | Square Mils [sq mil] | |
| Square Inches [sq in] | ||
| Square Feet [sq ft] | ||
| Square Yards [sq yd] | ||
| Acres [ac] | ||
| Square Miles [sq mi] | ||
| Square Nautical Miles [sq NM] | ||
| Astronomical | Square Parsecs [pc2] | |
| Square Astronomical units [au2] | ||
| Square light seconds [ls2] | ||
| Square light years [ly2] | ||
| Historical | Ares [a] | |
| Decares [daa] | ||
| Square Leagues (land) [sq leag] | ||
| Square Leagues (naut.) [sq naut. league(s)] | ||
| Square Metric leagues [sq metric league(s)] | ||
| Japanese tsubo [tsubo] |
Relationships between units of area
Select a unit:
| System | Unit | Area in | Info |
|---|---|---|---|
| SI | 1 Square Nanometer [nm2] = | 1 nm = 1x10-6 μm2 = 1x10-18 m2 [more...] | |
| 1 Square Micrometer [μm2] = | 1 μm = 1x10-6 mm2 = 1x10-12 m2 [more...] | ||
| 1 Square Millimeter [mm2] = | 1 mm2 = 1x10-6 m2 [more...] | ||
| 1 Square Centimeter [cm2] = | 1 cm2 = 100 mm2 = 0.0001 m2 [more...] | ||
| 1 Square Meter [m2] = | 1 m2 = the area of a square whose sides have lengths of 1 meter. [more...] | ||
| 1 Hectare [ha] = | 1 ha = 10000 m2 [more...] | ||
| 1 Square Kilometer [km2] = | 1 km2 = 106 m2 [more...] | ||
| Imperial | 1 Square Mil [sq mil] = | 1 sq mil = 10-6 sq in = 0.00064516 mm2 [more...] | |
| 1 Square Inch [sq in] = | 1 sq in = 645.16 mm2 = 6.4516 cm2 [more...] | ||
| 1 Square Foot [sq ft] = | 1 sq ft = 144 sq in = 0.09290304 m2 [more...] | ||
| 1 Square Yard [sq yd] = | 1 yd = 9 sq ft = 1296 sq in ≈ 0.8361 m2 [more...] | ||
| 1 Acre [ac] = | 1 ac = 43560 sq ft = 4840 sq yd ≈ 4046.9 m2 [more...] | ||
| 1 Square Mile [sq mi] = | 1 sq mi = 640 acres ≈ 2.5900 km2 [more...] | ||
| 1 Square Nautical Mile [sq NM] = | 1 sq NM = 3.429904 km2 [more...] | ||
| Astronomical | 1 Square Parsec [pc2] = | 1 sq. parsec ≈ 9.5214 x1026km2 ≈ 10.6378 sq. light years [more...] | |
| 1 Square Astronomical unit [au2] = | 1 sq. au ≈; 2.2380 x1016km2 [more...] | ||
| 1 Square light second [ls2] = | 1 sq. light second ≈ 8.9876 10km2 [more...] | ||
| 1 Square light year [ly2] = | 1 sq. light year ≈ 8.950525km2 ≈ 0.0940 sq. parsecs [more...] | ||
| Historical | 1 Are [a] = | 1 a = 100 m2 [more...] | |
| 1 Decare [daa] = | 1 daa = 10 ares = 1000 m2 [more...] | ||
| 1 Square League (land) [sq leag] = | 1 sq. league = 9 sq. miles ≈ 23.310 km2 [more...] | ||
| 1 Square League (naut.) [sq naut. league(s)] = | 1 sq. nautical league = 9 sq. naut. miles = 30.869 km2 [more...] | ||
| 1 Square Metric league [sq metric league(s)] = | 1 sq. metric league = 16 km2 [more...] | ||
| 1 Japanese tsubo [tsubo] = | 1 tsubo ≈ 35.58 sq ft ≈ 3.306 m2 [more...] |