Area units calculator & converter tool
Km2 Conversions Table
Equivalent of 20 km2 (Square Kilometer): |
20000000 m2 (Square meter) |
200000000000 cm2 (Square centimeter) |
2000000000 dm2 (Square decimeter) |
20000000000000 mm2 (Square milimeter) |
2000 Hectare |
200000 Are |
20000 Decare |
20000000 Centiare |
5850.1 Arpent |
20000000000 Barn |
215278000 Square feet |
4942.1 Acre |
790738 Square perche |
7.722 Square mil |
23919800 Square yard |
31000092551.925 Square inch |
0.2146 Canton |
30.88 Homestead |
19768 Rood |
Km2 / Centiare Units Definition
km2 (Square Kilometer)
The square kilometer (km2) is a unit of measurement of area. One square kilometer is equal to the area of a square whose sides measure one kilometer.
Centiare
The centiare is a unit of area used in the metric system, synonymous with square meter (m2). The abbreviation for centiare is ca. The abbreviation for centiare is ca. The centiare measurement is used almost exclusively for land measurements and is mainly used in countries where Dutch, French, German, Polish or Portuguese are spoken.