138 centimeters in kilometers

Conversion formula
How to convert 138 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: 138 ⁢ cm = 0.0013800000000000002 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 724.63768115942 times 138 centimeters.

It can also be expressed as: 138 centimeters is equal to $\frac{1}{\mathrm{724.63768115942}}$ kilometers.

Approximation

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