How to convert acres to square kilometers
km² = ac × 0.0040468564
One acre equals 0.0040468564 km², so multiply the value in acres by 0.0040468564. Example: 10 ac = 0.0404685642 km².
The acre is exactly 4,046.8564224 m² and the hectare exactly 10,000 m². Marla and kanal vary by region: this converter uses the widely used 272.25 ft² marla (20 marla = 1 kanal). Some districts in Pakistan use a 225 ft² marla, so confirm the local standard for property deals.
Acres to square kilometers conversion table
| Acres (ac) | Square kilometers (km²) |
|---|---|
| 1 ac | 0.0040468564 km² |
| 2 ac | 0.0080937128 km² |
| 3 ac | 0.0121405693 km² |
| 5 ac | 0.0202342821 km² |
| 10 ac | 0.0404685642 km² |
| 15 ac | 0.0607028463 km² |
| 20 ac | 0.0809371285 km² |
| 25 ac | 0.1011714106 km² |
| 50 ac | 0.2023428211 km² |
| 75 ac | 0.3035142317 km² |
| 100 ac | 0.4046856422 km² |
| 250 ac | 1.011714106 km² |
| 500 ac | 2.023428211 km² |
| 1,000 ac | 4.046856422 km² |
More area conversions
Square kilometers to acres Square meters to acresSquare kilometers to square metersSquare kilometers to square feetSquare kilometers to square yardsSquare kilometers to acresSquare kilometers to hectaresSquare feet to acresSquare yards to acresAcres to square metersAcres to square feetAcres to square yardsAcres to hectares All area units