3 US gallons in imperial cups

Conversion formula
How to convert 3 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: 3 ⁢ usgallon ≈ 39.968360862191396 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.0250197901146845 times 3 US gallons.

It can also be expressed as: 3 US gallons is equal to $\frac{1}{\mathrm{0.0250197901146845}}$ imperial cups.

Approximation

An approximate numerical result would be: three US gallons is about thirty-nine point nine six imperial cups, or alternatively, a imperial cup is about zero point zero three times three US gallons.