28 decimeters in kilometers

Conversion formula
How to convert 28 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: 28 ⁢ dm = 0.0028 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 357.142857142857 times 28 decimeters.

It can also be expressed as: 28 decimeters is equal to $\frac{1}{\mathrm{357.142857142857}}$ kilometers.

Approximation

An approximate numerical result would be: twenty-eight decimeters is about zero kilometers, or alternatively, a kilometer is about three hundred and fifty-seven point one three times twenty-eight decimeters.