Convert Square Feet (ft²) to Square Kilometers (km²)
Enter a value below to convert Square Feet (ft²) to Square Kilometers (km²).
Conversion:
1 Square Feet (ft²) = 9.290304e-8 Square Kilometers (km²)
How to Convert Square Feet (ft²) to Square Kilometers (km²)
1 ft2 = 9.290304e-8 km2
1 km2 = 10763910.417 ft2
Example: convert 15 Square Feet (ft²) to Square Kilometers (km²):
25 ft2 = 0.000002322576 km2
Square Feet (ft²) to Square Kilometers (km²) Conversion Table
| Square Feet (ft²) | Square Kilometers (km²) |
|---|---|
| 0.01 ft2 | 9.290304e-10 km2 |
| 0.1 ft2 | 9.290304e-9 km2 |
| 1 ft2 | 9.290304e-8 km2 |
| 2 ft2 | 1.8580608e-7 km2 |
| 3 ft2 | 2.7870912e-7 km2 |
| 5 ft2 | 4.645152e-7 km2 |
| 10 ft2 | 9.290304e-7 km2 |
| 20 ft2 | 0.0000018580608 km2 |
| 50 ft2 | 0.000004645152 km2 |
| 100 ft2 | 0.000009290304 km2 |
| 1000 ft2 | 0.00009290304 km2 |
Square Feet (ft²)
Definition
A square foot (ft²) is an imperial unit of area equal to the area of a square with sides of 1 foot (12 inches). It equals approximately 0.0929 square meters.
History
The square foot has been used since ancient civilizations for measuring floor space and land. The foot was historically based on the length of a human foot, and was standardized in the imperial and US customary systems.
Current use
Square feet are the standard unit for measuring real estate floor space in the United States, Canada, India, and parts of the Middle East. It is also used in construction, interior design, and property valuation.
Square Kilometers (km²)
Definition
A square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters or 100 hectares. It represents the area of a square with sides of 1 kilometer.
History
The square kilometer naturally followed the adoption of the metric system and the kilometer as a standard unit of distance. It became the standard large-scale area unit for geography, demographics, and national statistics.
Current use
Square kilometers are used worldwide to express the area of cities, regions, countries, lakes, and large geographic features. It is the standard unit in national census data and geopolitical comparisons.