31 yards in kilometers

Conversion formula
How to convert 31 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: 31 ⁢ yd = 0.0283464 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 35.2778483334744 times 31 yards.

It can also be expressed as: 31 yards is equal to $\frac{1}{\mathrm{35.2778483334744}}$ kilometers.

Approximation

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