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 / Pouce2 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.
Square inch
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.historic engineering drawings (number with a square & a double apostrophe, both as an exponent).The square inch is a common unit of measurement in the United States and the United Kingdom. A common unit of pressure, pound per square inch (psi) is derived from this unit of area.