38 millimeters in kilometers

Conversion formula
How to convert 38 millimeters to kilometers?

We know (by definition) that: $1\mathrm{mm}=1e-06\mathrm{km}$

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

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

Conclusion: 38 ⁢ mm = 3.7999999999999995e-05 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 26315.7894736842 times 38 millimeters.

It can also be expressed as: 38 millimeters is equal to $\frac{1}{\mathrm{26315.7894736842}}$ kilometers.

Approximation

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