Area Converter
Result
... Acre = ... Square kilometer
Result
... Acre
=
... Square kilometer
Find the units to convert
Acre to Square kilometer Converter
Use this page to convert acre values into square kilometer, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 ac = 0.0040468564224 sq km
1 sq km = 247.105381467165 ac
Example: 12 ac = 0.0485622770688 sq km
Acre
An acre equals 43,560 square feet.
History: The acre originates from old agricultural land measures.
Current use: Acres are used for plots of land, farms, and zoning.
Also written as ac, acres.
Square kilometer
A square kilometer equals one million square meters.
History: It is the large-area metric extension of the square meter.
Current use: Square kilometers are used for land area, maps, and regional statistics.
Also written as sq km, km2, sqkm, square kilometers, square kilometre, square kilometres.
Acre to Square kilometer table
| Acre [ac] | Square kilometer [sq km] |
|---|
| 0.01 ac | 0.000040468564224 sq km |
| 0.1 ac | 0.00040468564224 sq km |
| 1 ac | 0.0040468564224 sq km |
| 2 ac | 0.0080937128448 sq km |
| 5 ac | 0.020234282112 sq km |
| 10 ac | 0.040468564224 sq km |
| 20 ac | 0.080937128448 sq km |
| 50 ac | 0.20234282112 sq km |
| 100 ac | 0.40468564224 sq km |
Frequently asked questions
How many Square kilometer (sq km) are in one Acre (ac)?
One Acre equals 0.0040468564224 Square kilometer.
How do you convert Acre to Square kilometer?
Multiply the Acre value by 0.0040468564224 to get the result in Square kilometer.
How do you convert Square kilometer back to Acre?
Multiply the Square kilometer value by 247.105381467165 to get back to Acre.
What is 12 Acre in Square kilometer?
12 Acre equals 0.0485622770688 Square kilometer.
