45 centimeters in kilometers

Conversion formula
How to convert 45 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: 45 ⁢ cm = 0.00045000000000000004 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 2222.22222222222 times 45 centimeters.

It can also be expressed as: 45 centimeters is equal to $\frac{1}{\mathrm{2222.22222222222}}$ kilometers.

Approximation

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