438 centimeters in kilometers

Conversion formula
How to convert 438 centimeters to kilometers?

We know (by definition) that: $1\mathrm{cm}=1e-05\mathrm{km}$

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 ⁢ cm = 0.00438 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 228.310502283105 times 438 centimeters.

It can also be expressed as: 438 centimeters is equal to $\frac{1}{\mathrm{228.310502283105}}$ kilometers.

Approximation

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