Conversion formula

The conversion factor from feet to miles is 0.00018939393939394, which means that 1 foot is equal to 0.00018939393939394 miles:

1 ft = 0.00018939393939394 mi

To convert 521 feet into miles we have to multiply 521 by the conversion factor in order to get the length amount from feet to miles. We can also form a simple proportion to calculate the result:

1 ft → 0.00018939393939394 mi

521 ft → L_(mi)

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

L_(mi) = 521 ft × 0.00018939393939394 mi

L_(mi) = 0.098674242424242 mi

The final result is:

521 ft → 0.098674242424242 mi

We conclude that 521 feet is equivalent to 0.098674242424242 miles:

521 feet = 0.098674242424242 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 10.134357005758 × 521 feet.

Another way is saying that 521 feet is equal to 1 ÷ 10.134357005758 miles.

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 zero nine nine miles:

521 ft ≅ 0.099 mi

An alternative is also that one mile is approximately ten point one three four times five hundred twenty-one feet.

Conversion table

feet to miles chart

For quick reference purposes, below is the conversion table you can use to convert from feet to miles