Square kilometre

Square kilometre (symbol km²) is an SI unit of surface area. It is one of the SI derived units. 1 km² is equal to: \n* the area of a square measuring 1 kilometre on each side\n* 1 000 000 m²\n* 100 hectares\n* 0.386 102 square miles (statute)\n* 247.105 381 acres Conversely:

• 1 m² = 0.000 001 km²\n* 1 hectare = 0.01 km²\n* 1 square mile = 2.589 988 km²\n* 1 acre = 0.004 047 km²

The 1 E6 m² orders of magnitude page gives comparisons with geographic areas. hectare << square kilometre << square megametre

See also

\n* Conversion of units. \n

External links

• Conversion of English and American area units to metric units \n*Conversion calculator for units of area (Cleave Books)

\n\n\n\n\n\n\n\n\n\n\n\n Category:SI derived units of area