13 inches in decimeters

Conversion formula
How to convert 13 inches to decimeters?

We know (by definition) that: $1\mathrm{in}=0.254\mathrm{dm}$

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

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

Conclusion: 13 ⁢ in = 3.302 ⁢ dm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 decimeter is equal to 0.302846759539673 times 13 inches.

It can also be expressed as: 13 inches is equal to $\frac{1}{\mathrm{0.302846759539673}}$ decimeters.

Approximation

An approximate numerical result would be: thirteen inches is about three point two nine decimeters, or alternatively, a decimeter is about zero point three zero times thirteen inches.