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 257 feet into kilometers we have to multiply 257 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

257 ft → L_(km)

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

L_(km) = 257 ft × 0.0003048 km

L_(km) = 0.0783336 km

The final result is:

257 ft → 0.0783336 km

We conclude that 257 feet is equivalent to 0.0783336 kilometers:

257 feet = 0.0783336 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 12.765913988378 × 257 feet.

Another way is saying that 257 feet is equal to 1 ÷ 12.765913988378 kilometers.

Approximate result

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

257 ft ≅ 0.078 km

An alternative is also that one kilometer is approximately twelve point seven six six times two hundred fifty-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