Conversion formula

The conversion factor from kilometers to feet is 3280.8398950131, which means that 1 kilometer is equal to 3280.8398950131 feet:

1 km = 3280.8398950131 ft

To convert 420 kilometers into feet we have to multiply 420 by the conversion factor in order to get the length amount from kilometers to feet. We can also form a simple proportion to calculate the result:

1 km → 3280.8398950131 ft

420 km → L_(ft)

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

L_(ft) = 420 km × 3280.8398950131 ft

L_(ft) = 1377952.7559055 ft

The final result is:

420 km → 1377952.7559055 ft

We conclude that 420 kilometers is equivalent to 1377952.7559055 feet:

420 kilometers = 1377952.7559055 feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot is equal to 7.2571428571429E-7 × 420 kilometers.

Another way is saying that 420 kilometers is equal to 1 ÷ 7.2571428571429E-7 feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty kilometers is approximately one million three hundred seventy-seven thousand nine hundred fifty-two point seven five six feet:

420 km ≅ 1377952.756 ft

An alternative is also that one foot is approximately zero times four hundred twenty kilometers.

Conversion table

kilometers to feet chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers to feet