638 US gallons in imperial cups

Conversion formula
How to convert 638 US gallons to imperial cups?

We know (by definition) that: $1\mathrm{usgallon}\approx 13.3227869540638\mathrm{brcup}$

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

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

Conclusion: 638 ⁢ usgallon ≈ 8499.938076692704 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.00011764791589977 times 638 US gallons.

It can also be expressed as: 638 US gallons is equal to $\frac{1}{\mathrm{0.00011764791589977}}$ imperial cups.

Approximation

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