780 US gallons in US customary cups
Result
The conversion result is: 780 US gallons is equivalent to 12480 US customary cups.[1]
Conversion formula
How to convert 780 US gallons to US customary cups?
We know (by definition) that: 1 usgallon ≈ 16 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 usgallon / 780 usgallon ≈ 16 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (780 usgallon / 1 usgallon) * 16 uscup → x uscup ≈ 12480 uscup
Conclusion:
780 usgallon ≈ 12480 uscup
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 8.01282051282051e-05 times 780 US gallons.
It can also be expressed as: 780 US gallons is equal to 1 / 8.01282051282051e-05 US customary cups.
Approximation
An approximate numerical result would be: seven hundred and eighty US gallons is about twelve thousand, four hundred and eighty US customary cups, or alternatively, a US customary cup is about zero times seven hundred and eighty 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.