55 decimeters in millimeters

Conversion formula
How to convert 55 decimeters to millimeters?

We know (by definition) that: $1\mathrm{dm}=100\mathrm{mm}$

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

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

Conclusion: 55 ⁢ dm = 5500 ⁢ mm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 millimeter is equal to 0.000181818181818182 times 55 decimeters.

It can also be expressed as: 55 decimeters is equal to $\frac{1}{\mathrm{0.000181818181818182}}$ millimeters.

Approximation

An approximate numerical result would be: fifty-five decimeters is about five thousand, five hundred millimeters, or alternatively, a millimeter is about zero times fifty-five decimeters.