438 yards in kilometers

Conversion formula
How to convert 438 yards to kilometers?

We know (by definition) that: $1\mathrm{yd}=0.0009144\mathrm{km}$

We can set up a proportion to solve for the number of kilometers.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 438 ⁢ yd = 0.4005072 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 2.49683401446965 times 438 yards.

It can also be expressed as: 438 yards is equal to $\frac{1}{\mathrm{2.49683401446965}}$ kilometers.

Approximation

An approximate numerical result would be: four hundred and thirty-eight yards is about zero point four zero kilometers, or alternatively, a kilometer is about two point five zero times four hundred and thirty-eight yards.