Square Feet to Square Kilometers Conversion (sq ft to sq km)

Square Feet to Square Kilometers Converter

Enter the area in square feet below to get the value converted to square kilometers.

Results in Square Kilometers:

1 sq ft = 9.2903E-8 sq km

Hint: use a scientific notation calculator to convert E notation to decimal

How to Convert Square Feet to Square Kilometers

To convert a measurement in square feet to a measurement in square kilometers, multiply the area by the following conversion ratio: 9.2903E-8 square kilometers/square foot.

Since one square foot is equal to 9.2903E-8 square kilometers, you can use this simple formula to convert:

square kilometers = square feet × 9.2903E-8

The area in square kilometers is equal to the area in square feet multiplied by 9.2903E-8.

For example, here's how to convert 50,000,000 square feet to square kilometers using the formula above.

square kilometers = (50,000,000 sq ft × 9.2903E-8) = 4.645152 sq km

Square feet and square kilometers are both units used to measure area. Keep reading to learn more about each unit of measure.

What is a Square Foot?

One square foot is equivalent to the area of a square with sides that are each 1 foot in length.^[1] One square foot is equal to 144 square inches or 0.092903 square meters .

The square foot is a US customary and imperial unit of area. A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as sq ft, and are also sometimes abbreviated as ft². For example, 1 square foot can be written as 1 sq ft or 1 ft².

You can use a square footage calculator to calculate the area of a space if you know its dimensions.

Learn more about square feet.

What is a Square Kilometer?

One square kilometer is equivalent to the area of a square with sides that are each 1 kilometer in length. One square kilometer is equal to 0.386102 square miles or 1,000,000 square meters.

The square kilometer, or square kilometre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "kilo" is the prefix for thousands, or 10³. A square kilometer is sometimes also referred to as a square km. Square kilometers can be abbreviated as sq km, and are also sometimes abbreviated as km². For example, 1 square kilometer can be written as 1 sq km or 1 km².

Learn more about square kilometers.

Square Foot to Square Kilometer Conversion Table

Table showing various square foot measurements converted to square kilometers.
Square Feet	Square Kilometers
1 sq ft	0.000000092903 sq km
2 sq ft	0.00000018581 sq km
3 sq ft	0.00000027871 sq km
4 sq ft	0.00000037161 sq km
5 sq ft	0.00000046452 sq km
6 sq ft	0.00000055742 sq km
7 sq ft	0.00000065032 sq km
8 sq ft	0.00000074322 sq km
9 sq ft	0.00000083613 sq km
10 sq ft	0.00000092903 sq km
100 sq ft	0.0000092903 sq km
1,000 sq ft	0.000092903 sq km
10,000 sq ft	0.000929 sq km
100,000 sq ft	0.00929 sq km
1,000,000 sq ft	0.092903 sq km
10,000,000 sq ft	0.92903 sq km
100,000,000 sq ft	9.2903 sq km

Table showing various square foot measurements converted to square kilometers.

Square Feet

Square Kilometers

1 sq ft

0.000000092903 sq km

2 sq ft

0.00000018581 sq km

3 sq ft

0.00000027871 sq km

4 sq ft

0.00000037161 sq km

5 sq ft

0.00000046452 sq km

6 sq ft

0.00000055742 sq km

7 sq ft

0.00000065032 sq km

8 sq ft

0.00000074322 sq km

9 sq ft

0.00000083613 sq km

10 sq ft

0.00000092903 sq km

100 sq ft

0.0000092903 sq km

1,000 sq ft

0.000092903 sq km

10,000 sq ft

0.000929 sq km

100,000 sq ft

0.00929 sq km

1,000,000 sq ft

0.092903 sq km

10,000,000 sq ft

0.92903 sq km

100,000,000 sq ft

9.2903 sq km

References

Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot