678 US gallons in US customary cups

Conversion formula
How to convert 678 US gallons to US customary cups?

We know (by definition) that: $1\mathrm{usgallon}\approx 16\mathrm{uscup}$

We can set up a proportion to solve for the number of US customary cups.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 678 ⁢ usgallon ≈ 10848 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 9.21828908554572e-05 times 678 US gallons.

It can also be expressed as: 678 US gallons is equal to $\frac{1}{\mathrm{9.21828908554572e-05}}$ US customary cups.

Approximation

An approximate numerical result would be: six hundred and seventy-eight US gallons is about ten thousand, eight hundred and forty-eight US customary cups, or alternatively, a US customary cup is about zero times six hundred and seventy-eight US gallons.