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 1685 feet into kilometers we have to multiply 1685 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

1685 ft → L_(km)

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

L_(km) = 1685 ft × 0.0003048 km

L_(km) = 0.513588 km

The final result is:

1685 ft → 0.513588 km

We conclude that 1685 feet is equivalent to 0.513588 kilometers:

1685 feet = 0.513588 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 1.9470859911057 × 1685 feet.

Another way is saying that 1685 feet is equal to 1 ÷ 1.9470859911057 kilometers.

Approximate result

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

1685 ft ≅ 0.514 km

An alternative is also that one kilometer is approximately one point nine four seven times one thousand six hundred eighty-five 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