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 8428 feet into kilometers we have to multiply 8428 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

8428 ft → L_(km)

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

L_(km) = 8428 ft × 0.0003048 km

L_(km) = 2.5688544 km

The final result is:

8428 ft → 2.5688544 km

We conclude that 8428 feet is equivalent to 2.5688544 kilometers:

8428 feet = 2.5688544 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.38927858270208 × 8428 feet.

Another way is saying that 8428 feet is equal to 1 ÷ 0.38927858270208 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 twenty-eight feet is approximately two point five six nine kilometers:

8428 ft ≅ 2.569 km

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