742 millimeters in kilometers

Conversion formula
How to convert 742 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: 742 ⁢ mm = 0.0007419999999999999 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 1347.70889487871 times 742 millimeters.

It can also be expressed as: 742 millimeters is equal to $\frac{1}{\mathrm{1347.70889487871}}$ kilometers.

Approximation

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