46 millimeters in kilometers

Conversion formula
How to convert 46 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: 46 ⁢ mm = 4.6e-05 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 21739.1304347826 times 46 millimeters.

It can also be expressed as: 46 millimeters is equal to $\frac{1}{\mathrm{21739.1304347826}}$ kilometers.

Approximation

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