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 397 feet into kilometers we have to multiply 397 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

397 ft → L_(km)

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

L_(km) = 397 ft × 0.0003048 km

L_(km) = 0.1210056 km

The final result is:

397 ft → 0.1210056 km

We conclude that 397 feet is equivalent to 0.1210056 kilometers:

397 feet = 0.1210056 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 8.2640803400834 × 397 feet.

Another way is saying that 397 feet is equal to 1 ÷ 8.2640803400834 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred ninety-seven feet is approximately zero point one two one kilometers:

397 ft ≅ 0.121 km

An alternative is also that one kilometer is approximately eight point two six four times three hundred ninety-seven 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