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 1388 feet into kilometers we have to multiply 1388 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

1388 ft → L_(km)

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

L_(km) = 1388 ft × 0.0003048 km

L_(km) = 0.4230624 km

The final result is:

1388 ft → 0.4230624 km

We conclude that 1388 feet is equivalent to 0.4230624 kilometers:

1388 feet = 0.4230624 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 2.3637175036118 × 1388 feet.

Another way is saying that 1388 feet is equal to 1 ÷ 2.3637175036118 kilometers.

Approximate result

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

1388 ft ≅ 0.423 km

An alternative is also that one kilometer is approximately two point three six four times one thousand three hundred eighty-eight 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