9 centimeters in kilometers

Conversion formula
How to convert 9 centimeters to kilometers?

We know (by definition) that: $1\mathrm{cm}=1e-05\mathrm{km}$

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

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

Conclusion: 9 ⁢ cm = 9e-05 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 11111.1111111111 times 9 centimeters.

It can also be expressed as: 9 centimeters is equal to $\frac{1}{\mathrm{11111.1111111111}}$ kilometers.

Approximation

An approximate numerical result would be: nine centimeters is about zero kilometers, or alternatively, a kilometer is about eleven thousand, one hundred and eleven point one one times nine centimeters.