Area units calculator & converter tool
Km2 Conversions Table
Equivalent of 4 km2 (Square Kilometer): |
4000000 m2 (Square meter) |
40000000000 cm2 (Square centimeter) |
400000000 dm2 (Square decimeter) |
4000000000000 mm2 (Square milimeter) |
400 Hectare |
40000 Are |
4000 Decare |
4000000 Centiare |
1170.02 Arpent |
4000000000 Barn |
43055600 Square feet |
988.42 Acre |
158147.6 Square perche |
1.5444 Square mil |
4783960 Square yard |
6200018510.385 Square inch |
0.04292 Canton |
6.176 Homestead |
3953.6 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.