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Convert Acres to Square Kilometers

ac
=
km²

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 km²

Inverse factor:

1 km² = 247.10516 ac

Example

Convert 15 ac To km²:

km² = ac × 0.00405

km² = 15 × 0.00405

km² = 0.0607

= 0.0607 km²

All conversions from Acres (ac)