29 dry gallons in US customary cups
Result
The conversion result is: 29 dry gallons is equivalent to 539.932294372294 US customary cups.[1]
Conversion formula
How to convert 29 dry gallons to US customary cups?
We know (by definition) that: 1 drygallon ≈ 18.618354978355 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 drygallon / 29 drygallon ≈ 18.618354978355 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (29 drygallon / 1 drygallon) * 18.618354978355 uscup → x uscup ≈ 539.932294372295 uscup
Conclusion:
29 drygallon ≈ 539.932294372295 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.00185208406761919 times 29 dry gallons.
It can also be expressed as: 29 dry gallons is equal to 1 / 0.00185208406761919 US customary cups.
Approximation
An approximate numerical result would be: twenty-nine dry gallons is about five hundred and thirty-nine point nine two US customary cups, or alternatively, a US customary cup is about zero times twenty-nine dry 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.