Area units calculator & converter tool
Centiare Conversions Table
Equivalent of 18 Centiare: |
18 m2 (Square meter) |
180000 cm2 (Square centimeter) |
1800 dm2 (Square decimeter) |
18000000 mm2 (Square milimeter) |
1.8E-5 km2 (Square Kilometer) |
0.0018 Hectare |
0.18 Are |
0.018 Decare |
0.00526509 Arpent |
18000 Barn |
193.7502 Square feet |
0.00444789 Acre |
0.7116642 Square perche |
6.9498E-6 Square mil |
21.52782 Square yard |
27900.083296733 Square inch |
1.9314E-7 Canton |
2.7792E-5 Homestead |
0.0177912 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".