How to convert 811 US customary 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 0.0229572811077127 times 811 US customary cups.
It can also be expressed as: 811 US customary cups is equal to dry gallons.
An approximate numerical result would be: eight hundred and eleven US customary cups is about forty-three point five six dry gallons, or alternatively, a dry gallon is about zero point zero two times eight hundred and eleven US customary 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.