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 4020 feet into kilometers we have to multiply 4020 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

4020 ft → L_(km)

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

L_(km) = 4020 ft × 0.0003048 km

L_(km) = 1.225296 km

The final result is:

4020 ft → 1.225296 km

We conclude that 4020 feet is equivalent to 1.225296 kilometers:

4020 feet = 1.225296 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.81612932711769 × 4020 feet.

Another way is saying that 4020 feet is equal to 1 ÷ 0.81612932711769 kilometers.

Approximate result

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

4020 ft ≅ 1.225 km

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