How to convert square feet to square kilometers
km² = ft² × 9.290304e-8
One square foot equals 9.290304e-8 km², so multiply the value in square feet by 9.290304e-8. Example: 10 ft² = 0.000000929 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.
Square feet to square kilometers conversion table
| Square feet (ft²) | Square kilometers (km²) |
|---|---|
| 1 ft² | 9.290304e-8 km² |
| 2 ft² | 0.0000001858 km² |
| 3 ft² | 0.0000002787 km² |
| 5 ft² | 0.0000004645 km² |
| 10 ft² | 0.000000929 km² |
| 15 ft² | 0.0000013935 km² |
| 20 ft² | 0.0000018581 km² |
| 25 ft² | 0.0000023226 km² |
| 50 ft² | 0.0000046452 km² |
| 75 ft² | 0.0000069677 km² |
| 100 ft² | 0.0000092903 km² |
| 250 ft² | 0.0000232258 km² |
| 500 ft² | 0.0000464515 km² |
| 1,000 ft² | 0.000092903 km² |