Square kilometre

Square kilometre (symbol kmē) is an SI unit of surface area. It is one of the SI derived units.

1 kmē is equal to:

• the area of a square measuring 1 kilometre on each side
• 1 000 000 mē
• 100 hectares
• 0.386 102 square miles (statute)
• 247.105 381 acres

Conversely:

• 1 mē = 0.000 001 kmē
• 1 hectare = 0.01 kmē
• 1 square mile = 2.589 988 kmē
• 1 acre = 0.004 047 kmē

The 1 E6 mē orders of magnitude page gives comparisons with geographic areas. See also Conversion of units.

External link

• Conversion Calculator for Units of AREA