Area units calculator & converter tool
Km2 Conversions Table
Equivalent of 18 km2 (Square Kilometer): |
18000000 m2 (Square meter) |
180000000000 cm2 (Square centimeter) |
1800000000 dm2 (Square decimeter) |
18000000000000 mm2 (Square milimeter) |
1800 Hectare |
180000 Are |
18000 Decare |
18000000 Centiare |
5265.09 Arpent |
18000000000 Barn |
193750200 Square feet |
4447.89 Acre |
711664.2 Square perche |
6.9498 Square mil |
21527820 Square yard |
27900083296.733 Square inch |
0.19314 Canton |
27.792 Homestead |
17791.2 Rood |
Km2 / Rood 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.
Rood
Rood is an English unit of area equal to one quarter of an acre or 10,890 square feet, exactly 1,011.7141056 m2. A rectangle that is one furlong (i.e., 10 chains, or 40 rods) in length and one rod in width is one rood in area, as is any space comprising 40 perches (a perch being one square rod).