Convert square feet to square kilometers
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 an imperial and US customary systems unit of area, defined as the area of a square with sides of 1 foot. It is approximately equal to 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 approximately equal to 0.3861 square miles.
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