Square Meter (m²)
Square Kilometer (km²)
Square Centimeter (cm²)
Square Millimeter (mm²)
Square Foot (ft²)
Square Yard (yd²)
Square Inch (in²)
Square Mile (mi²)
Acre (ac)
Hectare (ha)
Square Rod (rd²)
Square Chain (ch²)
Rood (rood)
Township (twp)
Section (section)
Homestead (homestead)
Square Furlong (fur²)
Square Perch (perch²)
Square Pole (pole²)
Square Link (link²)
Square Guntha (guntha)
Square Bigha (bigha)
Square Katha (katha)
Square Chatak (chatak)
Square Dhur (dhur)
Square Kanal (kanal)
Square Marla (marla)
Square Sarsahi (sarsahi)
Square Gaj (gaj)
Square Yard (Indian) (yd²)
Square Foot (Indian) (ft²)
Square Inch (Indian) (in²)
Square Meter (m²)
Square Kilometer (km²)
Square Centimeter (cm²)
Square Millimeter (mm²)
Square Foot (ft²)
Square Yard (yd²)
Square Inch (in²)
Square Mile (mi²)
Acre (ac)
Hectare (ha)
Square Rod (rd²)
Square Chain (ch²)
Rood (rood)
Township (twp)
Section (section)
Homestead (homestead)
Square Furlong (fur²)
Square Perch (perch²)
Square Pole (pole²)
Square Link (link²)
Square Guntha (guntha)
Square Bigha (bigha)
Square Katha (katha)
Square Chatak (chatak)
Square Dhur (dhur)
Square Kanal (kanal)
Square Marla (marla)
Square Sarsahi (sarsahi)
Square Gaj (gaj)
Square Yard (Indian) (yd²)
Square Foot (Indian) (ft²)
Square Inch (Indian) (in²)
1 acre = 0.004047 square kilometer.
To convert acre to square kilometer, multiply the value by 0.004047.
Example: 20 ac = 0.080937 km².
Acre to Square Kilometer conversion table
| Acre | Square Kilometer |
|---|---|
| 1 ac | 0.004047 km² |
| 2 ac | 0.008094 km² |
| 3 ac | 0.012141 km² |
| 4 ac | 0.016187 km² |
| 5 ac | 0.020234 km² |
| 10 ac | 0.040469 km² |
| 20 ac | 0.080937 km² |
| 25 ac | 0.101172 km² |
| 50 ac | 0.202343 km² |
| 100 ac | 0.404686 km² |
| 500 ac | 2.023431 km² |
| 1,000 ac | 4.046863 km² |
Related area conversions
Frequently asked questions
- How many square kilometer are in a acre?
- There are 0.004047 square kilometer in 1 acre.
- How do I convert acre to square kilometer?
- To convert acre to square kilometer, multiply the value by 0.004047.