506 US gallons in dry gallons
Result
The conversion result is: 506 US gallons is equivalent to 434.839705731904 dry gallons.[1]
Conversion formula
How to convert 506 US gallons to dry gallons?
We know (by definition) that: 1 usgallon ≈ 0.859367007375303 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 usgallon / 506 usgallon ≈ 0.859367007375303 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (506 usgallon / 1 usgallon) * 0.859367007375303 drygallon → x drygallon ≈ 434.83970573190334 drygallon
Conclusion:
506 usgallon ≈ 434.83970573190334 drygallon

Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.00229969799633831 times 506 US gallons.
It can also be expressed as: 506 US gallons is equal to 1 / 0.00229969799633831 dry gallons.
Approximation
An approximate numerical result would be: five hundred and six US gallons is about four hundred and thirty-four point eight three dry gallons, or alternatively, a dry gallon is about zero times five hundred and six US gallons.
Footnotes
[1] 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.