138 imperial gallons in US customary cups

Conversion formula
How to convert 138 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: 138 ⁢ imperialgallon ≈ 2651.6974355147227 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 0.000377116931444288 times 138 imperial gallons.

It can also be expressed as: 138 imperial gallons is equal to $\frac{1}{\mathrm{0.000377116931444288}}$ US customary cups.

Approximation

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