Unit Converter
Acres to Square Kilometers Converter
Convert acres (acres) to square kilometers (km2) instantly in your browser. 1 acre = 0.004047 square kilometers.
How to convert acres to square kilometers
Use the converter above, or multiply the acres value by 0.004047. The formula is:
km2 = acres × 0.004047
Acres to Square Kilometers conversion table
| Acres (acres) | Square Kilometers (km2) |
|---|---|
| 1 | 0.004047 |
| 2 | 0.008094 |
| 5 | 0.020234 |
| 10 | 0.040469 |
| 20 | 0.080937 |
| 50 | 0.202343 |
| 100 | 0.404686 |
Common questions
How many square kilometers in 1 acre? 1 acre = 0.004047 square kilometers.
How many acres in 1 square kilometer? 1 square kilometer = 247.105381 acres.
Is this converter accurate? It uses standard conversion factors and works entirely in your browser. For engineering/medical/financial decisions, verify with a trusted source.