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 521 feet into kilometers we have to multiply 521 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

521 ft → L_(km)

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

L_(km) = 521 ft × 0.0003048 km

L_(km) = 0.1588008 km

The final result is:

521 ft → 0.1588008 km

We conclude that 521 feet is equivalent to 0.1588008 kilometers:

521 feet = 0.1588008 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 6.2971974952267 × 521 feet.

Another way is saying that 521 feet is equal to 1 ÷ 6.2971974952267 kilometers.

Approximate result

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

521 ft ≅ 0.159 km

An alternative is also that one kilometer is approximately six point two nine seven times five hundred twenty-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