18 US dry barrels in imperial gallons

Conversion formula
How to convert 18 US dry barrels to imperial gallons?

We know (by definition) that: $1\mathrm{drybarrel}\approx 25.4344114577582\mathrm{imperialgallon}$

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

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

Conclusion: 18 ⁢ drybarrel ≈ 457.81940623964755 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.00218426739096452 times 18 US dry barrels.

It can also be expressed as: 18 US dry barrels is equal to $\frac{1}{\mathrm{0.00218426739096452}}$ imperial gallons.

Approximation

An approximate numerical result would be: eighteen US dry barrels is about four hundred and fifty-seven point eight one imperial gallons, or alternatively, a imperial gallon is about zero times eighteen US dry barrels.