# 18 US gallons in imperial cups

## Conversion

18 US gallons is equivalent to 239.810165173149 imperial cups.^{[1]}

## Conversion formula

How to convert 18 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.

$\frac{1\mathrm{usgallon}}{18\mathrm{usgallon}}\approx \frac{13.3227869540638\mathrm{brcup}}{x\mathrm{brcup}}$Now, we cross multiply to solve for our unknown $x$:

$x\mathrm{brcup}\approx \frac{18\mathrm{usgallon}}{1\mathrm{usgallon}}*13.3227869540638\mathrm{brcup}\to x\mathrm{brcup}\approx 239.8101651731484\mathrm{brcup}$Conclusion: $18\mathrm{usgallon}\approx 239.8101651731484\mathrm{brcup}$

## Conversion in the opposite direction

The inverse of the conversion factor is that **1 imperial cup is equal to 0.00416996501911408 times 18 US gallons**.

It can also be expressed as: 18 US gallons is equal to $\frac{1}{\mathrm{0.00416996501911408}}$ imperial cups.

## Approximation

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

## Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.