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 688.7 feet into miles we have to multiply 688.7 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

688.7 ft → L_(mi)

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

L_(mi) = 688.7 ft × 0.00018939393939394 mi

L_(mi) = 0.13043560606061 mi

The final result is:

688.7 ft → 0.13043560606061 mi

We conclude that 688.7 feet is equivalent to 0.13043560606061 miles:

688.7 feet = 0.13043560606061 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 7.6666182662988 × 688.7 feet.

Another way is saying that 688.7 feet is equal to 1 ÷ 7.6666182662988 miles.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty-eight point seven feet is approximately zero point one three miles:

688.7 ft ≅ 0.13 mi

An alternative is also that one mile is approximately seven point six six seven times six hundred eighty-eight point seven 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