842 millimeters in kilometers

Conversion formula
How to convert 842 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: 842 ⁢ mm = 0.000842 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 1187.64845605701 times 842 millimeters.

It can also be expressed as: 842 millimeters is equal to $\frac{1}{\mathrm{1187.64845605701}}$ kilometers.

Approximation

An approximate numerical result would be: eight hundred and forty-two millimeters is about zero kilometers, or alternatively, a kilometer is about one thousand, one hundred and eighty-seven point six five times eight hundred and forty-two millimeters.