816 US customary cups in US gallons
How to convert 816 US customary cups to US gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of US gallons.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.0196078431372549 times 816 US customary cups.
It can also be expressed as: 816 US customary cups is equal to US gallons.
An approximate numerical result would be: eight hundred and sixteen US customary cups is about zero US gallons, or alternatively, a US gallon is about zero point zero two times eight hundred and sixteen 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.