783 US dry barrels in US customary cups
Result
The conversion result is: 783 US dry barrels is equivalent to 382673.454545455 US customary cups.[1]
Conversion formula
How to convert 783 US dry barrels to US customary cups?
We know (by definition) that: 1 drybarrel ≈ 488.727272727273 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 drybarrel / 783 drybarrel ≈ 488.727272727273 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (783 drybarrel / 1 drybarrel) * 488.727272727273 uscup → x uscup ≈ 382673.45454545476 uscup
Conclusion:
783 drybarrel ≈ 382673.45454545476 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 2.61319406434349e-06 times 783 US dry barrels.
It can also be expressed as: 783 US dry barrels is equal to 1 / 2.61319406434349e-06 US customary cups.
Approximation
An approximate numerical result would be: seven hundred and eighty-three US dry barrels is about three hundred and eighty-two thousand, six hundred and seventy-three point four five US customary cups, or alternatively, a US customary cup is about zero times seven hundred and eighty-three US dry barrels.
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.