48 millimeters in kilometers

Conversion formula
How to convert 48 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: 48 ⁢ mm = 4.8e-05 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 20833.3333333333 times 48 millimeters.

It can also be expressed as: 48 millimeters is equal to $\frac{1}{\mathrm{20833.3333333333}}$ kilometers.

Approximation

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