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 390 feet into miles we have to multiply 390 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

390 ft → L_(mi)

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

L_(mi) = 390 ft × 0.00018939393939394 mi

L_(mi) = 0.073863636363636 mi

The final result is:

390 ft → 0.073863636363636 mi

We conclude that 390 feet is equivalent to 0.073863636363636 miles:

390 feet = 0.073863636363636 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 13.538461538462 × 390 feet.

Another way is saying that 390 feet is equal to 1 ÷ 13.538461538462 miles.

Approximate result

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

390 ft ≅ 0.074 mi

An alternative is also that one mile is approximately thirteen point five three eight times three hundred ninety 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