820 decimeters in kilometers

Conversion formula
How to convert 820 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: 820 ⁢ dm = 0.082 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 12.1951219512195 times 820 decimeters.

It can also be expressed as: 820 decimeters is equal to $\frac{1}{\mathrm{12.1951219512195}}$ kilometers.

Approximation

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