18 decimeters in centimeters

Conversion formula
How to convert 18 decimeters to centimeters?

We know (by definition) that: $1\mathrm{dm}=10\mathrm{cm}$

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

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

Conclusion: 18 ⁢ dm = 180 ⁢ cm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 centimeter is equal to 0.00555555555555556 times 18 decimeters.

It can also be expressed as: 18 decimeters is equal to $\frac{1}{\mathrm{0.00555555555555556}}$ centimeters.

Approximation

An approximate numerical result would be: eighteen decimeters is about one hundred and eighty centimeters, or alternatively, a centimeter is about zero point zero one times eighteen decimeters.