Convert square kilometers to square feet
Converting square kilometers to square feet is a common area task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 km² equals 10,763,900 ft², the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert square kilometers to square feet
To convert square kilometers to square feet, multiply the number of square kilometers by 10,763,900. For example, 10 km² × 10,763,900 = 107,639,000 ft².
ft² = km² × 10,763,900
- Write down the value in square kilometers you want to convert.
- Multiply it by 10,763,900 (the exact km²→ft² factor).
- The result is your value in square feet. Check it below with the converter or the table.
Conversion table
Common values of square kilometers and their equivalents in square feet:
| km² | ft² |
|---|---|
| 1 | 10,763,900 |
| 2 | 21,527,800 |
| 3 | 32,291,700 |
| 4 | 43,055,600 |
| 5 | 53,819,600 |
| 10 | 107,639,000 |
| 20 | 215,278,000 |
| 25 | 269,098,000 |
| 50 | 538,196,000 |
| 100 | 1,076,390,000 |
| 250 | 2,690,980,000 |
| 500 | 5,381,960,000 |
About these units
Square Kilometer (km²). A square kilometer equals one million square meters, or 100 hectares. Cities, lakes and countries are measured in square kilometers.
Square Foot (ft²). A square foot is a square with one-foot (30.48 cm) sides, exactly 0.09290304 square meters. It is the standard unit for homes and offices in the United States.
Frequently asked questions
How do I convert square kilometers to square feet?
To convert square kilometers to square feet, multiply the number of square kilometers by 10,763,900. For example, 10 km² × 10,763,900 = 107,639,000 ft². Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many square feet are in 1 square kilometer?
1 km² = 10,763,900 ft². That is the fixed relationship used by this converter and by international standards.
How many square kilometers are in 1 square foot?
1 ft² = 0.000000092903 km². If you are converting in the opposite direction, use our Square Foot to Square Kilometer converter for the dedicated table and FAQ.
Is the square kilometers to square feet conversion exact?
Yes. Both units are defined by international agreement, so the factor of 10,763,900 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is square kilometer used for?
A square kilometer equals one million square meters, or 100 hectares. Cities, lakes and countries are measured in square kilometers.