Area
Square Feet to Square Kilometers
Convert square feet to square kilometers instantly.
About this conversion
Square feet (ft²) are used in the US and UK for home sizes. One square foot equals approximately 0.093 m². Square kilometers (km²) are used for geographic areas like cities and countries. Use the converter above to quickly go from square feet to square kilometers.
How to use
Enter a value in the square feet field and instantly see the result in square kilometers. Click the swap button to reverse the conversion.
Manual calculation
1 square feet = 0.0000000929 square kilometers. Example: 10 ft² = 0.000000929 km².
Frequently asked questions
How many square kilometers are in 1 square feet?
1 Square Feet equals 0.0000000929 square kilometers.
When do you use square kilometers?
Square kilometers (km²) are used for geographic areas like cities and countries.