Convert Square Kilometre to Acre
Instant area conversion, with the formula and a full reference table.
1 km²
247.11 ac
1 ac = 0.00404686 km²
How to convert Square Kilometre to Acre
Multiply the number of square kilometre by 247.11.
ac = km² × 247.11
To go the other way, divide instead — or multiply by 0.00404686.
Worked example
To convert 25 km²: 25 × 247.11 = 6,177.63 ac.
Square Kilometre to Acre conversion table
| Square Kilometre (km²) | Acre (ac) |
|---|---|
| 1 | 247.11 |
| 2 | 494.21 |
| 3 | 741.32 |
| 5 | 1,235.53 |
| 10 | 2,471.05 |
| 20 | 4,942.11 |
| 25 | 6,177.63 |
| 50 | 12,355.27 |
| 100 | 24,710.54 |
| 250 | 61,776.35 |
| 500 | 123,552.69 |
| 1,000 | 247,105.38 |