420 dry gallons in US gallons
How to convert 420 dry gallons 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 0.00204611192232215 times 420 dry gallons.
It can also be expressed as: 420 dry gallons is equal to US gallons.
An approximate numerical result would be: four hundred and twenty dry gallons is about four hundred and eighty-eight point seven three US gallons, or alternatively, a US gallon is about zero times four hundred and twenty dry gallons.
 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.