Acre to Square Kilometer Converter

Use this converter to instantly convert any value from Acres to Square Kilometers. Enter a value below to see the result.

Maximum value: 50,000

0.004 km²

Decimal Places:

1 Acre is equal to 0.004047 Square Kilometers.

To convert from Acres to Square Kilometers, simply multiply the value in Acres by the conversion factor of 0.00404686.

Square Kilometers = Acres × 0.00404686

1 ac × 0.00404686 = 0.004047 km²

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A unit of land area used in the imperial and US customary systems. For a more detailed history, read more on Wikipedia.