13 kilometers in decimeters

Conversion formula
How to convert 13 kilometers to decimeters?

We know (by definition) that: $1\mathrm{km}=10000\mathrm{dm}$

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

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

Conclusion: 13 ⁢ km = 130000 ⁢ dm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 decimeter is equal to 7.69230769230769e-06 times 13 kilometers.

It can also be expressed as: 13 kilometers is equal to $\frac{1}{\mathrm{7.69230769230769e-06}}$ decimeters.

Approximation

An approximate numerical result would be: thirteen kilometers is about one hundred and thirty thousand decimeters, or alternatively, a decimeter is about zero times thirteen kilometers.