Convert Acre to Square kilometre
1 Acre = 0.00404686 Square kilometre · 1 Square kilometre = 247.10538 Acre
Conversion formula
1 ac = 0.004046856422 km² → ac = 0.00404686 km²
The reverse direction: 1 km² = 247.1053815 ac.
Quick reference
| ac | km² |
|---|---|
| 1 ac | 0.00404686 km² |
| 2 ac | 0.00809371 km² |
| 3 ac | 0.0121406 km² |
| 5 ac | 0.0202343 km² |
| 10 ac | 0.0404686 km² |
| 20 ac | 0.0809371 km² |
| 25 ac | 0.101171 km² |
| 50 ac | 0.202343 km² |
| 100 ac | 0.404686 km² |
| 250 ac | 1.0117141 km² |
| 500 ac | 2.0234282 km² |
| 1,000 ac | 4.0468564 km² |
About these units
The Acre (ac) and the Square kilometre (km²) are both units of area. Under the standard definition, one ac equals exactly 0.00404686 km². This category's SI base unit is the square metre.