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To help compare sizes of different geographic regions, we list here areas between 10 km2 (1,000 hectares) and 100 km2 (10,000 hectares). See also areas of other orders of magnitude.
- Areas smaller than 10 km2
- 10 km2 is equal to:
- 1 E+7 m2 or 107 m2
- 3.86 square miles
- 1,000 hectares
- 2,471 acres
- 10.1 km2 -- Long Beach, New York
- 10.2 km2 -- Radford, Virginia
- 12 km2 -- Royal Borough of Kensington and Chelsea
- 12.48 km2 -- Chek Lap Kok, the site of Hong Kong International Airport
- 15 km2 -- Beverly Hills, California
- 21 km2 -- Nauru
- 21.6 km2 -- Abingdon, Virginia, United States
- 26 km2 -- Tuvalu
- 26.4 km2 -- Compton, California
- 26.5 km2 -- Sylhet, Bangladesh
- 26.6 km2 -- Charlottesville, Virginia
- 28.6 km2 -- Macau
- 30 km2 -- Hayling Island
- 38.55 km2 -- City of Manila, Philippines
- 47 km2 -- Pelee Island, largest island in Lake Erie
- 48.7 km2 -- Lake Lugano, Switzerland/Italy
- 53.3 km2 -- Bermuda
- 57.5 km2 -- Nijmegen, The Netherlands
- 59.47 km2 -- Manhattan Island
- 61 km2 -- Indiana Dunes National Lakeshore
- 61 km2 -- San Marino
- 70 km2 -- Amherst Island, largest island in Lake Ontario
- 75 km2 -- Arapawa Island, Marlborough, New Zealand
- 80 km2 -- Chía, Cundinamarca, Colombia
- 81.7 km2 -- Huntington Beach, California
- 83.2 km2 -- Formentera Island, Spain
- 86.9 km2 -- Paris, France
- 88 km2 -- Saint Martin island
- 88.8 km2 -- Eindhoven, The Netherlands
- 92 km2 -- Waiheke Island, Auckland, New Zealand
- 93.239572 km2—1 Survey township or 36 mi2 (USA)
- 95 km2 -- Skopelos Island, Greece
- 98.2 km2 -- The Hague, The Netherlands
- Areas larger than 100 km2
| Orders of magnitude for area | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 E-30 m² = 1 fm2 | 1 E-24 m² = 1 pm2 | 1 E-18 m² = 1 nm2 | 1 E-12 m² = 1 µm2 | 1 E-6 m² = 1 mm2 | 1 E0 m² = 1 m2 | 1 E+6 m² = 1 km2 | 1 E+12 m² = 1 Mm2 | 1 E+18-24 m² : 1 Gm2 |
| 10 fm2 | 10 pm2 | 10 nm2 | 10 µm2 | 10 mm2 | 10 m2 | 10 km2 | 10 Mm2 | > 1 E+24 m² : 1 Tm² |
| 100 fm2 | 100 pm2 | 100 nm2 | 100 µm2 | 100 mm2 = 1 cm2 | 100 m2 = 1 a | 100 km2 | 100 Mm2 | |
| 1,000 fm2 | 1,000 pm2 | 1,000 nm2 | 1,000 µm2 | 10 cm2 | 10 a | 1,000 km2 | 1,000 Mm2 | |
| 10,000 fm2 | 10,000 pm2 | 10,000 nm2 | 10,000 µm2 | 100 cm2 | 10,000 m2 = 1 ha | 10,000 km2 | 10,000 Mm2 | |
| 100,000 fm2 | 100,000 pm2 | 100,000 nm2 | 100,000 µm2 | 1,000 cm2 | 10 ha | 100,000 km2 | 100,000 Mm2 | |
| SI derived unit square metre, from base unit metre | Conversion of units for area | |||||||
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