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 691 feet into kilometers we have to multiply 691 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

691 ft → L_(km)

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

L_(km) = 691 ft × 0.0003048 km

L_(km) = 0.2106168 km

The final result is:

691 ft → 0.2106168 km

We conclude that 691 feet is equivalent to 0.2106168 kilometers:

691 feet = 0.2106168 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 4.7479593270812 × 691 feet.

Another way is saying that 691 feet is equal to 1 ÷ 4.7479593270812 kilometers.

Approximate result

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

691 ft ≅ 0.211 km

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