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 1231 feet into miles we have to multiply 1231 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

1231 ft → L_(mi)

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

L_(mi) = 1231 ft × 0.00018939393939394 mi

L_(mi) = 0.23314393939394 mi

The final result is:

1231 ft → 0.23314393939394 mi

We conclude that 1231 feet is equivalent to 0.23314393939394 miles:

1231 feet = 0.23314393939394 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 4.289195775792 × 1231 feet.

Another way is saying that 1231 feet is equal to 1 ÷ 4.289195775792 miles.

Approximate result

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

1231 ft ≅ 0.233 mi

An alternative is also that one mile is approximately four point two eight nine times one thousand two hundred thirty-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