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 3420 feet into miles we have to multiply 3420 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

3420 ft → L_(mi)

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

L_(mi) = 3420 ft × 0.00018939393939394 mi

L_(mi) = 0.64772727272727 mi

The final result is:

3420 ft → 0.64772727272727 mi

We conclude that 3420 feet is equivalent to 0.64772727272727 miles:

3420 feet = 0.64772727272727 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 1.5438596491228 × 3420 feet.

Another way is saying that 3420 feet is equal to 1 ÷ 1.5438596491228 miles.

Approximate result

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

3420 ft ≅ 0.648 mi

An alternative is also that one mile is approximately one point five four four times three thousand four hundred twenty 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