How to convert 64 US quarts to US customary cups?
We know (by definition) that:
We can set up a proportion to solve for the number of US customary cups.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.00390625 times 64 US quarts.
It can also be expressed as: 64 US quarts is equal to US customary cups.
An approximate numerical result would be: sixty-four US quarts is about two hundred and fifty-six US customary cups, or alternatively, a US customary cup is about zero times sixty-four US quarts.
 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.