Conversion formula

The conversion factor from yards to miles is 0.00056818181818182, which means that 1 yard is equal to 0.00056818181818182 miles:

1 yd = 0.00056818181818182 mi

To convert 397.1 yards into miles we have to multiply 397.1 by the conversion factor in order to get the length amount from yards to miles. We can also form a simple proportion to calculate the result:

1 yd → 0.00056818181818182 mi

397.1 yd → L_(mi)

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

L_(mi) = 397.1 yd × 0.00056818181818182 mi

L_(mi) = 0.225625 mi

The final result is:

397.1 yd → 0.225625 mi

We conclude that 397.1 yards is equivalent to 0.225625 miles:

397.1 yards = 0.225625 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 4.4321329639889 × 397.1 yards.

Another way is saying that 397.1 yards is equal to 1 ÷ 4.4321329639889 miles.

Approximate result

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

397.1 yd ≅ 0.226 mi

An alternative is also that one mile is approximately four point four three two times three hundred ninety-seven point one yards.

Conversion table

yards to miles chart

For quick reference purposes, below is the conversion table you can use to convert from yards to miles