Convert Square kilometers to acres

1 square kilometer = 247.11 acres · ac = km² × 247.1053815

km²
Acres
247.11ac

1 square kilometer = 247.11 acres

When you need this conversion

This conversion goes from square kilometers, used for cities, parks, and regions, to acres, the land measure used in the US and UK. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.

Square kilometers to acres conversion table

Conversion table from square kilometers to acres
Square kilometers (km²)Acres (ac)
1 km²247.11 ac
2 km²494.21 ac
3 km²741.32 ac
5 km²1,235.53 ac
10 km²2,471.05 ac
15 km²3,706.58 ac
20 km²4,942.11 ac
25 km²6,177.63 ac
50 km²12,355.27 ac
75 km²18,532.9 ac
100 km²24,710.54 ac
250 km²61,776.35 ac
500 km²123,552.69 ac
1,000 km²247,105.38 ac

The formula

ac = km² × 247.1053815

Because both units measure area, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.

Convert the other way

Acres to square kilometers →

Related area conversions

All area conversions →

Frequently asked questions

How many acres are in a square kilometer?
There are 247.11 acres in 1 square kilometer. The formula is ac = km² × 247.1053815.
How do you convert square kilometers to acres?
Use the formula ac = km² × 247.1053815. For example, 10 square kilometers equals 2,471.05 acres.
Is the square kilometers to acres conversion exact?
Yes. Square kilometers and acres are both units of area, related by an exact defined factor. Displayed results are rounded for readability.
What is km² short for?
km² is the standard symbol for square kilometer. ac is the symbol for acre.