84 decimeters in centimeters

Conversion formula
How to convert 84 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: 84 ⁢ dm = 840 ⁢ cm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 centimeter is equal to 0.00119047619047619 times 84 decimeters.

It can also be expressed as: 84 decimeters is equal to $\frac{1}{\mathrm{0.00119047619047619}}$ centimeters.

Approximation

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