45 decimeters in kilometers

Conversion formula
How to convert 45 decimeters to kilometers?

We know (by definition) that: $1\mathrm{dm}=0.0001\mathrm{km}$

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 ⁢ dm = 0.0045000000000000005 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 222.222222222222 times 45 decimeters.

It can also be expressed as: 45 decimeters is equal to $\frac{1}{\mathrm{222.222222222222}}$ kilometers.

Approximation

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