Conversion formula

The conversion factor from feet to kilometers is 0.0003048, which means that 1 foot is equal to 0.0003048 kilometers:

1 ft = 0.0003048 km

To convert 6640 feet into kilometers we have to multiply 6640 by the conversion factor in order to get the length amount from feet to kilometers. We can also form a simple proportion to calculate the result:

1 ft → 0.0003048 km

6640 ft → L_(km)

Solve the above proportion to obtain the length L in kilometers:

L_(km) = 6640 ft × 0.0003048 km

L_(km) = 2.023872 km

The final result is:

6640 ft → 2.023872 km

We conclude that 6640 feet is equivalent to 2.023872 kilometers:

6640 feet = 2.023872 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.49410239382728 × 6640 feet.

Another way is saying that 6640 feet is equal to 1 ÷ 0.49410239382728 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six thousand six hundred forty feet is approximately two point zero two four kilometers:

6640 ft ≅ 2.024 km

An alternative is also that one kilometer is approximately zero point four nine four times six thousand six hundred forty feet.

Conversion table

feet to kilometers chart

For quick reference purposes, below is the conversion table you can use to convert from feet to kilometers