square kilometers

area measurements are used in the geography, for example, the country's surface.

Hectares

area measure commonly used in the measurement of land as forest, cropland and other major sites. One hectare is equivalent to an area of ​​100x100 meters.

Square meters

A common unit of area equivalent to a square of 1 meter sides.

square decimeter

A common unit of area equivalent to a square of 1 decimeters pages.

square centimeter

A common unit of area equivalent to a square of 1 centimeter sides.

square millimeter

A common unit of area equivalent to a square of 1 millimeter pages.