How to convert 820 dry quarts 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 0.00419203418231855 times 820 dry quarts.
It can also be expressed as: 820 dry quarts is equal to US gallons.
An approximate numerical result would be: eight hundred and twenty dry quarts is about two hundred and thirty-eight point five five US gallons, or alternatively, a US gallon is about zero times eight hundred and twenty dry 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.