442 millimeters in decimeters

Conversion formula
How to convert 442 millimeters to decimeters?

We know (by definition) that: $1\mathrm{mm}=0.01\mathrm{dm}$

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

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

Conclusion: 442 ⁢ mm = 4.42 ⁢ dm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 decimeter is equal to 0.226244343891403 times 442 millimeters.

It can also be expressed as: 442 millimeters is equal to $\frac{1}{\mathrm{0.226244343891403}}$ decimeters.

Approximation

An approximate numerical result would be: four hundred and forty-two millimeters is about zero decimeters, or alternatively, a decimeter is about zero point two three times four hundred and forty-two millimeters.