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 421 yards into kilometers we have to multiply 421 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

421 yd → L_(km)

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

L_(km) = 421 yd × 0.0009144 km

L_(km) = 0.3849624 km

The final result is:

421 yd → 0.3849624 km

We conclude that 421 yards is equivalent to 0.3849624 kilometers:

421 yards = 0.3849624 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 2.5976562905884 × 421 yards.

Another way is saying that 421 yards is equal to 1 ÷ 2.5976562905884 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-one yards is approximately zero point three eight five kilometers:

421 yd ≅ 0.385 km

An alternative is also that one kilometer is approximately two point five nine eight times four hundred twenty-one 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