15 decimeters in kilometers

Conversion formula
How to convert 15 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: 15 ⁢ dm = 0.0015 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 666.666666666667 times 15 decimeters.

It can also be expressed as: 15 decimeters is equal to $\frac{1}{\mathrm{666.666666666667}}$ kilometers.

Approximation

An approximate numerical result would be: fifteen decimeters is about zero kilometers, or alternatively, a kilometer is about six hundred and sixty-six point six six times fifteen decimeters.