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 8400 feet into kilometers we have to multiply 8400 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

8400 ft → L_(km)

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

L_(km) = 8400 ft × 0.0003048 km

L_(km) = 2.56032 km

The final result is:

8400 ft → 2.56032 km

We conclude that 8400 feet is equivalent to 2.56032 kilometers:

8400 feet = 2.56032 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.39057617797775 × 8400 feet.

Another way is saying that 8400 feet is equal to 1 ÷ 0.39057617797775 kilometers.

Approximate result

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

8400 ft ≅ 2.56 km

An alternative is also that one kilometer is approximately zero point three nine one times eight thousand four hundred 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