640 deciliters in liters

Conversion formula
How to convert 640 deciliters to liters?

We know (by definition) that: $1\mathrm{dl}\approx 0.1\mathrm{liter}$

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

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

Conclusion: 640 ⁢ dl ≈ 64.0 ⁢ liter

Conversion in the opposite direction

The inverse of the conversion factor is that 1 liter is equal to 0.015625 times 640 deciliters.

It can also be expressed as: 640 deciliters is equal to $\frac{1}{\mathrm{0.015625}}$ liters.

Approximation

An approximate numerical result would be: six hundred and forty deciliters is about zero liters, or alternatively, a liter is about zero point zero two times six hundred and forty deciliters.