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 870 feet into miles we have to multiply 870 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

870 ft → L_(mi)

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

L_(mi) = 870 ft × 0.00018939393939394 mi

L_(mi) = 0.16477272727273 mi

The final result is:

870 ft → 0.16477272727273 mi

We conclude that 870 feet is equivalent to 0.16477272727273 miles:

870 feet = 0.16477272727273 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 6.0689655172414 × 870 feet.

Another way is saying that 870 feet is equal to 1 ÷ 6.0689655172414 miles.

Approximate result

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

870 ft ≅ 0.165 mi

An alternative is also that one mile is approximately six point zero six nine times eight hundred seventy 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