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 6420 feet into miles we have to multiply 6420 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

6420 ft → L_(mi)

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

L_(mi) = 6420 ft × 0.00018939393939394 mi

L_(mi) = 1.2159090909091 mi

The final result is:

6420 ft → 1.2159090909091 mi

We conclude that 6420 feet is equivalent to 1.2159090909091 miles:

6420 feet = 1.2159090909091 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 0.82242990654206 × 6420 feet.

Another way is saying that 6420 feet is equal to 1 ÷ 0.82242990654206 miles.

Approximate result

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

6420 ft ≅ 1.216 mi

An alternative is also that one mile is approximately zero point eight two two times six 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