13 imperial gallons in US customary cups

Conversion formula
How to convert 13 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: 13 ⁢ imperialgallon ≈ 249.79758450501012 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.00400324127225475 times 13 imperial gallons.

It can also be expressed as: 13 imperial gallons is equal to $\frac{1}{\mathrm{0.00400324127225475}}$ US customary cups.

Approximation

An approximate numerical result would be: thirteen imperial gallons is about two hundred and forty-nine point eight zero US customary cups, or alternatively, a US customary cup is about zero times thirteen imperial gallons.