Unit converter
Acres to Square kilometers
Instant conversion in your browser — area.
1 ac = 0.004046856422 km²
Quick table Acres → Square kilometers
| ac | km² |
|---|---|
| 1 | 0.004046856422 |
| 5 | 0.02023428211 |
| 10 | 0.04046856422 |
| 25 | 0.1011714106 |
| 50 | 0.2023428211 |
| 100 | 0.4046856422 |
| 500 | 2.023428211 |
| 1,000 | 4.046856422 |
About this conversion
Area conversion: 1 acres (ac) equals 0.004046856422 km². As a practical reference, 250 ac = 1.011714106 km² — typical for real estate, land and flooring projects.
| ac | km² |
|---|---|
| 250 | 1.011714106 |