256 imperial gallons in US customary cups

Conversion formula
How to convert 256 imperial gallons to US customary cups?

We know (by definition) that: $1\mathrm{imperialgallon}\approx 19.2151988080777\mathrm{uscup}$

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: 256 ⁢ imperialgallon ≈ 4919.090894867892 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.000203289595856687 times 256 imperial gallons.

It can also be expressed as: 256 imperial gallons is equal to $\frac{1}{\mathrm{0.000203289595856687}}$ US customary cups.

Approximation

An approximate numerical result would be: two hundred and fifty-six imperial gallons is about four thousand, nine hundred and nineteen point zero nine US customary cups, or alternatively, a US customary cup is about zero times two hundred and fifty-six imperial gallons.