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 / 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).