30 centimeters in kilometers

Conversion formula
How to convert 30 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: 30 ⁢ cm = 0.00030000000000000003 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 3333.33333333333 times 30 centimeters.

It can also be expressed as: 30 centimeters is equal to $\frac{1}{\mathrm{3333.33333333333}}$ kilometers.

Approximation

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