45 decimeters in centimeters

Conversion formula
How to convert 45 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: 45 ⁢ dm = 450 ⁢ cm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 centimeter is equal to 0.00222222222222222 times 45 decimeters.

It can also be expressed as: 45 decimeters is equal to $\frac{1}{\mathrm{0.00222222222222222}}$ centimeters.

Approximation

An approximate numerical result would be: forty-five decimeters is about four hundred and fifty centimeters, or alternatively, a centimeter is about zero times forty-five decimeters.