square foot (ft²) → square kilometer (km²)
1 ft² = 9.29×10⁻⁸ km² · ⇄ square kilometer (km²) → square foot (ft²)
Enter a valid value for the selected unit
All units in this category
| Converted Value | ||
|---|---|---|
| square meter | m² | — |
| square kilometer | km² | — |
| square centimeter | cm² | — |
| square millimeter | mm² | — |
| hectare | ha | — |
| are | a | — |
| square inch | in² | — |
| square foot | ft² | — |
| square yard | yd² | — |
| square mile | mi² | — |
| acre | ac | — |
| rood | ro | — |
| dunam | dunam | — |
| tsubo | 坪 | — |
| Czech jitro | jitro | — |
| barn | b | — |
Conversion Formula & Definition
km² = ft² × 9.29×10⁻⁸
1 square foot (ft²) = 9.29×10⁻⁸ square kilometer (km²).
Popular Conversions (Area)
Quick Conversion Reference Table: square foot (ft²) → square kilometer (km²)
| square foot (ft²) | square kilometer (km²) |
|---|---|
| 0.1 ft² | 9.29×10⁻⁹ km² |
| 0.5 ft² | 4.65×10⁻⁸ km² |
| 1 ft² | 9.29×10⁻⁸ km² |
| 2 ft² | 1.86×10⁻⁷ km² |
| 5 ft² | 4.65×10⁻⁷ km² |
| 10 ft² | 9.29×10⁻⁷ km² |
| 20 ft² | 0.00000186 km² |
| 50 ft² | 0.00000465 km² |
| 100 ft² | 0.00000929 km² |
| 250 ft² | 0.0000232 km² |
| 500 ft² | 0.0000465 km² |
| 1,000 ft² | 0.0000929 km² |