Conversion formula

The conversion factor from yards to kilometers is 0.0009144, which means that 1 yard is equal to 0.0009144 kilometers:

1 yd = 0.0009144 km

To convert 397 yards into kilometers we have to multiply 397 by the conversion factor in order to get the length amount from yards to kilometers. We can also form a simple proportion to calculate the result:

1 yd → 0.0009144 km

397 yd → L_(km)

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

L_(km) = 397 yd × 0.0009144 km

L_(km) = 0.3630168 km

The final result is:

397 yd → 0.3630168 km

We conclude that 397 yards is equivalent to 0.3630168 kilometers:

397 yards = 0.3630168 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 2.7546934466945 × 397 yards.

Another way is saying that 397 yards is equal to 1 ÷ 2.7546934466945 kilometers.

Approximate result

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

397 yd ≅ 0.363 km

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

Conversion table

yards to kilometers chart

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