Convert Acre to Square Kilometer
1 Acre is equal to 0.00404686 Square Kilometer.
Formula
Square Kilometer = Acre × 4046.8564224 ÷ 1000000
About Acre and Square Kilometer
The Acre (ac) and Square Kilometer (km²) are units of area. Use the converter above for instant, accurate results, or refer to the conversion table below for common values.
Acre to Square Kilometer table
| Acre (ac) | Square Kilometer (km²) |
|---|---|
| 1 | 0.00404686 |
| 5 | 0.02023428 |
| 10 | 0.04046856 |
| 25 | 0.10117141 |
| 100 | 0.40468564 |