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Convert Acres to Square Kilometers

ac\text{ac}
=
km2\mathrm{km}^{2}

Acre (ac)

An imperial unit of area equal to 4,840 square yards or 43,560 square feet.

Square Kilometer (km²)

A metric unit of area equal to the area of a square with sides of 1 kilometer.

Acres to Square Kilometers Conversion Table

Acres (ac)Square Kilometers (km²)
10.00405
20.00809
50.02023
100.04047
200.08094
500.20234
1000.40469
2501.01171
5002.02343
10004.04686

How to Convert Acres to Square Kilometers

Conversion factor:

1 ac=0.00405 km21\,\text{ac} = 0.00405\,\mathrm{km}^{2}

Inverse factor:

1 km2=247.10516 ac1\,\mathrm{km}^{2} = 247.10516\,\text{ac}

Example

Convert 15 ac to km²:

km2=ac×0.00405\mathrm{km}^{2} = \text{ac} \times 0.00405
km2=15×0.00405\mathrm{km}^{2} = 15 \times 0.00405
km2=0.0607\mathrm{km}^{2} = 0.0607
=0.0607 km2= 0.0607 \, \mathrm{km}^{2}

All conversions from Acres (ac)