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 4021 feet into kilometers we have to multiply 4021 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

4021 ft → L_(km)

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

L_(km) = 4021 ft × 0.0003048 km

L_(km) = 1.2256008 km

The final result is:

4021 ft → 1.2256008 km

We conclude that 4021 feet is equivalent to 1.2256008 kilometers:

4021 feet = 1.2256008 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.81592636036138 × 4021 feet.

Another way is saying that 4021 feet is equal to 1 ÷ 0.81592636036138 kilometers.

Approximate result

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

4021 ft ≅ 1.226 km

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