# Convert Foot Square to Kilometer Square (ft2 to km2)

In next fields, kindly type your value in the text box under title [ From: ] to convert from foot square to kilometer square (ft2 to km2). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

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Definitions:

Foot Square (abbreviations: ft2, or sf, or sq ft): (plural square feet) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area.

Kilometer Square (abbreviation: km2): is the SI derived unit of area. It is the area of a square whose sides measure exactly one kilometre. The square metre is derived from the SI base unit of the metre, which itself is the length of the path travelled by light in absolute vacuum within time interval of 1/299,792,458 * 1000 of a second.

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## How to Convert Feet Square to Kilometers Square

### Example: How many kilometers square are equivalent to 38.04 feet square?

As;

1 feet square = 9.290304E-8 kilometers square

38.04 feet square = Y kilometers square

Assuming Y is the answer, and by criss-cross principle;

Y equals 38.04 times 9.290304E-8 over 1

(i.e.) Y = 38.04 * 9.290304E-8 / 1 = 3.5340316416E-6 kilometers square

Answer is: 3.5340316416E-6 kilometers square are equivalent to 38.04 feet square.

### Practice Question: Convert the following units into km2:

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 22.39 ft2

( ii ) 54.64 ft2

( iii ) 88.88 ft2

References