640 imperial cups in dry quarts

Conversion formula
How to convert 640 imperial cups to dry quarts?

We know (by definition) that: $1\mathrm{brcup}\approx 0.258014185872175\mathrm{dryquart}$

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

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

Conclusion: 640 ⁢ brcup ≈ 165.129078958192 ⁢ dryquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry quart is equal to 0.00605586857450578 times 640 imperial cups.

It can also be expressed as: 640 imperial cups is equal to $\frac{1}{\mathrm{0.00605586857450578}}$ dry quarts.

Approximation

An approximate numerical result would be: six hundred and forty imperial cups is about one hundred and sixty-five point one two dry quarts, or alternatively, a dry quart is about zero point zero one times six hundred and forty imperial cups.