How to convert 647 imperial cups to dry gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of dry gallons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.0239613965235468 times 647 imperial cups.
It can also be expressed as: 647 imperial cups is equal to dry gallons.
An approximate numerical result would be: six hundred and forty-seven imperial cups is about forty-one point seven two dry gallons, or alternatively, a dry gallon is about zero point zero two times six hundred and forty-seven imperial cups.
 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.