Area units calculator & converter tool
Centiare Conversions Table
Equivalent of 4 Centiare: |
4 m2 (Square meter) |
40000 cm2 (Square centimeter) |
400 dm2 (Square decimeter) |
4000000 mm2 (Square milimeter) |
4.0E-6 km2 (Square Kilometer) |
0.0004 Hectare |
0.04 Are |
0.004 Decare |
0.00117002 Arpent |
4000 Barn |
43.0556 Square feet |
0.00098842 Acre |
0.1581476 Square perche |
1.5444E-6 Square mil |
4.78396 Square yard |
6200.018510385 Square inch |
4.292E-8 Canton |
6.176E-6 Homestead |
0.0039536 Rood |
Centiare / Acre Units Definition
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.
Acre
The acre (/ˈeɪkər/ AY-kər) is a unit of land area used in the British imperial and the United States customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, 1⁄640 of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the international yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. The acre is sometimes abbreviated ac but is usually spelled out as the word "acre".