Square feet (ft²) to Square kilometers (km²) Conversion
Square feet
The square foot is a unit of area equal to exactly 0.09290304 square metres (the square of 0.3048 m). It is the primary unit for measuring floor area and property size in the United States and United Kingdom, and appears in real estate listings, construction blueprints, and rental agreements. Average apartment sizes in the US are commonly described in square feet, where a studio apartment might be 400–600 ft².
Square kilometers
The square kilometre is a unit of area equal to one million square metres (10⁶ m²) and is the standard unit for expressing the surface areas of countries, cities, lakes, forests, and other large geographic features. Russia, the world's largest country, covers approximately 17.1 million km². The surface area of Earth is approximately 510.1 million km², of which about 70.8% is ocean.
| Square feet (ft²) | Square kilometers (km²) |
|---|---|
| 0.1 ft² | 0.00000000929 km² |
| 1 ft² | 0.0000000929 km² |
| 2 ft² | 0.000000186 km² |
| 3 ft² | 0.000000279 km² |
| 5 ft² | 0.000000465 km² |
| 10 ft² | 0.000000929 km² |
| 20 ft² | 0.00000186 km² |
| 30 ft² | 0.00000279 km² |
| 50 ft² | 0.00000465 km² |
| 100 ft² | 0.00000929 km² |
| 1000 ft² | 0.0000929 km² |
Frequently Asked Questions (FAQ)
How many square kilometers are in 1 square feet?
1 square feet (ft²) is exactly 0.0000000929 square kilometers (km²).
How do I convert square feet to square kilometers?
Multiply the value in square feet by 0.0000000929 to get the result in square kilometers. Or use the converter above — type any number and see the result instantly.