Please provide values below to convert Acre [ac] to Square Kilometer [km²], or vice versa.
1 Acre (ac) = 0.004046856 Square Kilometer (km²)
1 Square Kilometer (km²) = 247.1054073 Acre (ac)
Example: convert 15 Acre (ac) to Square Kilometer (km²):
15 Acre (ac) = 15 × 0.004046856 Square Kilometer (km²) = 0.06070284 Square Kilometer (km²)
An acre equals 4,046.856 square meters. It is used in the United States and United Kingdom for land measurement.
| Acre [ac] | Square Kilometer [km²] |
|---|---|
| 1 ac | 0.004046856 km² |
| 2 ac | 0.008093712 km² |
| 5 ac | 0.02023428 km² |
| 10 ac | 0.04046856 km² |
| 20 ac | 0.08093712 km² |
| 50 ac | 0.2023428 km² |
| 100 ac | 0.4046856 km² |
| 200 ac | 0.8093712 km² |
| 500 ac | 2.023428 km² |
| 1000 ac | 4.046856 km² |