| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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1 | EarthWeb.info Area Conversion Reference Table | |||||||||||||||||||||||||
2 | Disclaimer: Before using the data for any specific purpose, please be aware that this table has been compiled over time for informal use and that it has not been fact-checked in any rigorous manner. | |||||||||||||||||||||||||
3 | You can calculate areas directly onto a map with this tool: https://www.daftlogic.com/projects-google-maps-area-calculator-tool.htm | |||||||||||||||||||||||||
4 | Color code: | Benchmarks | Political Entity | Protected Areas | ||||||||||||||||||||||
5 | Representative area | Acres | Miles2 | Hectares | Km2 | % Earth's total land | Citation (in the works...) | |||||||||||||||||||
6 | 1 acre | 1 | 0.001563 | 0.405 | 0.00404687 | 0.00% | ||||||||||||||||||||
7 | American football field (with end zones) | 1.32 | 0.002063 | 0.534 | 0.00534187 | 0.00% | https://en.wikipedia.org/wiki/Acre | |||||||||||||||||||
8 | Football/soccer field | 1.76 | 0.002750 | 0.712 | 0.00712250 | 0.00% | https://en.wikipedia.org/wiki/Football_pitch | |||||||||||||||||||
9 | 1 hectare | 2.47 | 0.003860 | 1 | 0.01 | 0.00% | ||||||||||||||||||||
10 | Average block in Manhattan | 5.57 | 0.008703 | 2.254 | 0.02254108 | 0.00% | https://www.quora.com/What-is-the-size-of-a-New-York-City-block | |||||||||||||||||||
11 | 1 square kilometer | 247 | 0.386100 | 100 | 1 | 0.00% | ||||||||||||||||||||
12 | 1 square mile | 640 | 1.00 | 259 | 2.59 | 0.00% | ||||||||||||||||||||
13 | Central Park, Manhattan | 843 | 1.32 | 341 | 3 | 0.00% | ||||||||||||||||||||
14 | Approximate ecosystem site | 2,471 | 3.86 | 1,000 | 10 | 0.00% | Bailey 1996 | |||||||||||||||||||
15 | Boston proper (not greater Boston) | 30,592 | 47.80 | 12,380 | 124 | 0.00% | ||||||||||||||||||||
16 | Washington, D.C. | 39,296 | 61.40 | 15,903 | 159 | 0.00% | ||||||||||||||||||||
17 | Minimal Intact Forest Landscape (IFL) | 123,553 | 193.05 | 50,000 | 500 | 0.00% | Global Forest Watch | |||||||||||||||||||
18 | Cape Cod | 216,960 | 339.00 | 87,801 | 878 | 0.00% | https://en.wikipedia.org/wiki/Cape_Cod | |||||||||||||||||||
19 | Approximate landscape mosaic | 247,105 | 386.10 | 100,000 | 1,000 | 0.00% | Bailey 1996 | |||||||||||||||||||
20 | Organ Pipe National Monument | 330,689 | 516.70 | 133,825 | 1,338 | 0.00% | Felger et al. In press | |||||||||||||||||||
21 | Sonoran Desert National Monument | 496,337 | 775.53 | 200,860 | 2,009 | 0.00% | Felger et al. In press | |||||||||||||||||||
22 | Rhode Island | 988,667 | 1,544.79 | 400,100 | 4,001 | 0.00% | Total, https://en.wikipedia.org/wiki/List_of_U.S._states_and_territories_by_area | |||||||||||||||||||
23 | Big Bend National Park | 801,164 | 1,252 | 324,220 | 3,242 | 0.00% | ||||||||||||||||||||
24 | Cabeza Prieta National Wildlife Refuge | 860,010 | 1,344 | 348,034 | 3,480 | 0.00% | http://www.fws.gov/southwest/refuges/arizona/cabeza.html | |||||||||||||||||||
25 | Glacier National Park | 1,013,572 | 1,584 | 410,178 | 4,102 | 0.00% | ||||||||||||||||||||
26 | Crown of the Continent Ecosystem | 1,257,270 | 1,964 | 508,800 | 5,088 | 0.00% | Flathead Transboundary Network 1999, 4 | |||||||||||||||||||
27 | Delaware | 1,592,839 | 2,488.80 | 644,600 | 6,446 | 0.00% | Total, https://en.wikipedia.org/wiki/List_of_U.S._states_and_territories_by_area | |||||||||||||||||||
28 | Pinacate Biosphere Reserve | 1,765,915 | 2,759 | 714,656 | 7,147 | 0.00% | Felger et al. In press | |||||||||||||||||||
29 | Yellowstone National Park | 2,221,766 | 3,472 | 899,117 | 8,991 | 0.01% | https://www.nps.gov/yell/planyourvisit/parkfacts.htm | |||||||||||||||||||
30 | Alto Golfo Biosphere Reserve | 2,328,349 | 3,637 | 942,270 | 9,423 | 0.01% | Felger et al. In press | |||||||||||||||||||
31 | Total U.S. golf courses | 2,400,000 | 3,750 | 971,246 | 9,712 | 0.01% | ||||||||||||||||||||
32 | Tohono O'odham Reservation, Arizona | 2,773,357 | 4,333 | 1,122,338 | 11,223 | 0.01% | ADC nd | |||||||||||||||||||
33 | Current extent of NA tallgrass praire | 3,533,602 | 5,521 | 1,430,000 | 14,300 | 0.01% | ||||||||||||||||||||
34 | Belize | 5,674,766 | 8,867 | 2,296,500 | 22,965 | 0.02% | ||||||||||||||||||||
35 | Massachusetts | 5,914,211 | 9,241 | 2,393,400 | 23,934 | 0.02% | ||||||||||||||||||||
36 | Adirondack State Park | 5,999,709 | 9,375 | 2,428,000 | 24,280 | 0.02% | ||||||||||||||||||||
37 | Gates of the Arctic National Park, Alaska | 8,400,087 | 13,125 | 3,399,400 | 33,994 | 0.02% | ||||||||||||||||||||
38 | Greater Yellowstone Ecosystem | 10,996,173 | 17,181 | 4,450,000 | 44,500 | 0.03% | ||||||||||||||||||||
39 | Costa Rica | 12,617,181 | 19,714 | 5,106,000 | 51,060 | 0.03% | ||||||||||||||||||||
40 | Wrangell-St. Elias NP | 13,200,000 | 20,625 | 5,341,850 | 53,419 | 0.04% | ||||||||||||||||||||
41 | Muskwa-Kechika Management Area (2000) | 15,567,360 | 24,324 | 6,299,892 | 62,999 | 0.04% | ||||||||||||||||||||
42 | Global forest loss/year | 18,038,300 | 28,178 | 7,300,000 | 73,000 | 0.05% | FAO 2007 | |||||||||||||||||||
43 | Apprx. rural land developed, '70-90 | 19,000,000 | 29,688 | 7,689,026 | 76,891 | 0.05% | Sierra Club | |||||||||||||||||||
44 | Muskwa-Kechika ecosystem | 19,768,000 | 30,880 | 8,000,000 | 80,000 | 0.05% | ||||||||||||||||||||
45 | Global genetically modified cropland | 20,000,000 | 31,250 | 8,093,712 | 80,937 | 0.05% | ||||||||||||||||||||
46 | Approximate "ecoregion" | 24,710,500 | 38,610 | 10,000,000 | 100,000 | 0.07% | Bailey 1996 | |||||||||||||||||||
47 | Iceland | 25,452,160 | 39,769 | 10,300,131 | 103,001 | 0.07% | ||||||||||||||||||||
48 | Amazon deforestation 1966-1983 | 25,600,000 | 40,000 | 10,359,960 | 103,600 | 0.07% | ||||||||||||||||||||
49 | American lawns | 30,000,000 | 46,875 | 12,140,619 | 121,406 | 0.08% | American PIE | |||||||||||||||||||
50 | Cleared+fragmented tropical forests/yr | 33,852,700 | 52,882 | 13,700,000 | 137,000 | 0.09% | FAO | |||||||||||||||||||
51 | Cleared+fragmented tropical forests/yr | 37,065,000 | 57,900 | 15,000,000 | 150,000 | 0.10% | Laurance et al. 1997 | |||||||||||||||||||
52 | NWPS-Alaska | 56,000,000 | 87,500 | 22,662,394 | 226,625 | 0.15% | ||||||||||||||||||||
53 | Great Lakes surface area | 60,160,000 | 94,000 | 24,345,906 | 243,459 | 0.16% | ||||||||||||||||||||
54 | New Zealand | 74,131,500 | 115,830 | 30,000,000 | 300,000 | 0.20% | ||||||||||||||||||||
55 | US National Park Service land | 76,500,000 | 119,531 | 30,958,448 | 309,586 | 0.21% | ||||||||||||||||||||
56 | US Fish and Wildlife Service land | 87,400,000 | 136,563 | 35,369,521 | 353,697 | 0.24% | ||||||||||||||||||||
57 | Kamchatka Peninsula | 91,428,850 | 140,000 | 37,000,000 | 370,000 | 0.24% | ||||||||||||||||||||
58 | US Wilderness Preservation System | 104,000,000 | 162,500 | 42,087,302 | 420,875 | 0.28% | ||||||||||||||||||||
59 | California | 104,765,107 | 163,695 | 42,397,000 | 423,970 | 0.28% | ||||||||||||||||||||
60 | Chihuahuan Desert | 128,000,000 | 200,000 | 51,799,800 | 517,998 | 0.35% | ||||||||||||||||||||
61 | Cumltv deforestation 2000/Brzl Amazon | 145,047,700 | 226,582 | 58,700,000 | 587,000 | 0.39% | Kaimowitz nd (Amazon or transborder file) | |||||||||||||||||||
62 | Total global area of coral reefs | 148,263,000 | 231,660 | 60,000,000 | 600,000 | 0.40% | ||||||||||||||||||||
63 | Texas | 172,044,632 | 268,819 | 69,624,100 | 696,241 | 0.47% | ||||||||||||||||||||
64 | US Forest Service land | 191,500,000 | 299,219 | 77,497,292 | 774,976 | 0.52% | ||||||||||||||||||||
65 | Total global PAs (1970) | 247,105,000 | 386,100 | 100,000,000 | 1,000,000 | 0.67% | ||||||||||||||||||||
66 | Egypt | 247,456,000 | 386,650 | 100,141,963 | 1,001,420 | 0.67% | 1988 World Almanac | |||||||||||||||||||
67 | US BLM land | 268,000,000 | 418,750 | 108,455,741 | 1,084,562 | 0.73% | ||||||||||||||||||||
68 | Yellowstone to Yukon region | 296,320,000 | 463,000 | 119,916,537 | 1,199,165 | 0.81% | ||||||||||||||||||||
69 | Original extent of N. American tallgrass praire | 353,360,150 | 552,123 | 143,000,000 | 1,430,000 | 0.96% | ||||||||||||||||||||
70 | Alaska | 424,490,313 | 663,263 | 171,785,400 | 1,717,854 | 1.15% | ||||||||||||||||||||
71 | Indonesia | 474,303,963 | 741,097 | 191,944,300 | 1,919,443 | 1.29% | ||||||||||||||||||||
72 | Mexico | 483,881,258 | 756,061 | 195,820,100 | 1,958,201 | 1.31% | ||||||||||||||||||||
73 | US Public lands | 726,000,000 | 1,134,373 | 293,801,746 | 2,938,030 | 1.97% | ||||||||||||||||||||
74 | Amazon rainforest | 988,420,000 | 1,544,400 | 400,000,000 | 4,000,000 | 2.69% | http://www.bbc.co.uk/dna/h2g2/A925913 | |||||||||||||||||||
75 | Amazon basin | 1,600,000,000 | 2,500,000 | 647,497,500 | 6,474,975 | 4.35% | http://www-personal.umich.edu/~mhaack/amazon.html | |||||||||||||||||||
76 | Approx. global grain harvest area | 1,667,958,750 | 2,605,500 | 675,000,000 | 6,750,000 | 4.53% | ||||||||||||||||||||
77 | Total global tropical moist forests | 1,853,287,500 | 2,895,750 | 750,000,000 | 7,500,000 | 5.04% | ||||||||||||||||||||
78 | United States | 2,322,787,000 | 3,629,340 | 940,000,000 | 9,400,000 | 6.31% | ||||||||||||||||||||
79 | Canada | 2,463,787,584 | 3,849,653 | 997,061,000 | 9,970,610 | 6.69% | ||||||||||||||||||||
80 | World forests, plantation & natural | 3,454,000,000 | 5,396,875 | 1,397,784,062 | 13,977,899 | 9.38% | FAO | |||||||||||||||||||
81 | Global agricultural land use | 3,706,575,000 | 5,791,500 | 1,500,000,000 | 15,000,000 | 10.07% | Suzuki & Dressell 1999 | |||||||||||||||||||
82 | Total coverage PA Categories I-VI | 4,636,531,687 | 7,244,551 | 1,876,340,700 | 18,763,407 | 12.60% | Chape et al 2003 | |||||||||||||||||||
83 | Total global PAs (2006) | 4,843,258,000 | 7,567,560 | 1,960,000,000 | 19,600,000 | 13.16% | ||||||||||||||||||||
84 | Africa | 7,467,891,665 | 11,668,534 | 3,022,153,200 | 30,221,532 | 20.29% | Wikipedia | |||||||||||||||||||
85 | Total global forest | 9,561,423,305 | 14,936,096 | 3,869,455,000 | 38,694,550 | 25.97% | WRI 2003 | |||||||||||||||||||
86 | Minimum global forest coverage | 10,131,100,000 | 15,826,000 | 4,100,000,000 | 41,000,000 | 27.52% | Dixon, et al. 1994 | |||||||||||||||||||
87 | Global grazing land use | 14,826,300,000 | 23,166,000 | 6,000,000,000 | 60,000,000 | 40.28% | Suzuki & Dressell 1999 | |||||||||||||||||||
88 | World's total land surface | 36,803,769,279 | 57,505,657 | 14,893,980,000 | 148,939,800 | 100%% | http://www.net-comber.com/worldarea.html | |||||||||||||||||||
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