662 dry gallons in US customary cups
Result
The conversion result is: 662 dry gallons is equivalent to 12325.350995671 US customary cups.[1]
Conversion formula
How to convert 662 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 / 662 drygallon ≈ 18.618354978355 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (662 drygallon / 1 drygallon) * 18.618354978355 uscup → x uscup ≈ 12325.350995671011 uscup
Conclusion:
662 drygallon ≈ 12325.350995671011 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 8.1133592086037e-05 times 662 dry gallons.
It can also be expressed as: 662 dry gallons is equal to 1 / 8.1133592086037e-05 US customary cups.
Approximation
An approximate numerical result would be: six hundred and sixty-two dry gallons is about twelve thousand, three hundred and twenty-five point three five US customary cups, or alternatively, a US customary cup is about zero times six hundred and sixty-two 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.