Convert square feet to square kilometers
Enter a square feet value below and convert to square kilometers
ft²
1 square foot ≈
0.0000000929 square kilometers
* rounded result
Select how many decimal places the result will be rounded to:
How to convert square feet to square kilometers
To convert square feet to square kilometers, multiply a square feet value by 0.00000009290304.
Formula km² = ft² × 0.00000009290304
Example: Convert 1000000 square feet to square kilometers Calculations: 1000000 ft² × 0.00000009290304 ≈ 0.0929 km²
Square foot (ft²)
The square foot is the imperial system's unit of area, defined as the area of a square with sides of 1 foot. It is equal to about 0.0929 square meters.
Square kilometer (km²)
The square kilometer is a unit of area in the metric system, defined as the area of a square with sides of 1 kilometer. It is equal to about 0.3861 square miles.