Convert square foot to square kilometer
1 ft² = 9.290304000e-08 km²
1 ft² = 9.2903e-08 km²
1 ft² in every area unit
| microbarn | 9.2903e+32 μb |
| millibarn | 9.2903e+29 mb |
| barn | 9.2903e+26 b |
| square nanometer | 9.2903e+16 nm² |
| square micrometer | 92,903,000,000 μm² |
| circular mil | 183,350,000 cmil |
| thousand circular mils | 183,350 kcmil |
| square millimeter | 92,903 mm² |
| square centimeter | 929.03 cm² |
| square inch | 144 in² |
| square decimeter | 9.2903 dm² |
| square foot | 1 ft² |
| square yard | 0.11111 yd² |
| square meter | 0.092903 m² |
| tsubo | 0.028103 tsubo |
| square rod | 0.0036731 rd² |
| are | 0.00092903 a |
| square chain | 0.00022957 ch² |
| dunam | 0.000092903 dunam |
| rood | 0.000091827 rood |
| acre | 0.000022957 ac |
| hectare | 0.0000092903 ha |
| square kilometer | 9.2903e-08 km² |
| square mile | 3.5870e-08 mi² |
How the conversion works
Multiply by 9.290304000e-08 to go from square foot to square kilometer, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? square kilometer to square foot — 1 km² = 10,763,910.42 ft².
square foot to square kilometer — common values
| 1 ft² | 9.2903040e-08 km² |
| 2 ft² | 1.8580608e-07 km² |
| 3 ft² | 2.7870912e-07 km² |
| 5 ft² | 4.6451520e-07 km² |
| 10 ft² | 9.2903040e-07 km² |
| 15 ft² | 0.0000013935456 km² |
| 20 ft² | 0.0000018580608 km² |
| 25 ft² | 0.000002322576 km² |
| 50 ft² | 0.000004645152 km² |
| 75 ft² | 0.000006967728 km² |
| 100 ft² | 0.000009290304 km² |
| 250 ft² | 0.00002322576 km² |
| 500 ft² | 0.00004645152 km² |
| 1000 ft² | 0.00009290304 km² |