# 389 millimeters in centimeters

## Conversion

389 millimeters is equivalent to 38.9 centimeters.^{[1]}

## Conversion formula

How to convert 389 millimeters to centimeters?

We know (by definition) that: $1\mathrm{mm}=0.1\mathrm{cm}$

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

$\frac{1\mathrm{mm}}{389\mathrm{mm}}=\frac{0.1\mathrm{cm}}{x\mathrm{cm}}$Now, we cross multiply to solve for our unknown $x$:

$x\mathrm{cm}=\frac{389\mathrm{mm}}{1\mathrm{mm}}*0.1\mathrm{cm}\to x\mathrm{cm}=38.900000000000006\mathrm{cm}$Conclusion: $389\mathrm{mm}=38.900000000000006\mathrm{cm}$

## Conversion in the opposite direction

The inverse of the conversion factor is that **1 centimeter is equal to 0.025706940874036 times 389 millimeters**.

It can also be expressed as: 389 millimeters is equal to $\frac{1}{\mathrm{0.025706940874036}}$ centimeters.

## Approximation

An approximate numerical result would be: **three hundred and eighty-nine millimeters is about zero centimeters**, or alternatively, *a centimeter is about zero point zero three times three hundred and eighty-nine millimeters*.

## Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.