30 US gallons in imperial gallons

Conversion formula
How to convert 30 US gallons to imperial gallons?

We know (by definition) that: $1\mathrm{usgallon}\approx 0.832674184628989\mathrm{imperialgallon}$

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: 30 ⁢ usgallon ≈ 24.98022553886967 ⁢ imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.0400316641834952 times 30 US gallons.

It can also be expressed as: 30 US gallons is equal to $\frac{1}{\mathrm{0.0400316641834952}}$ imperial gallons.

Approximation

An approximate numerical result would be: thirty US gallons is about twenty-four point nine eight imperial gallons, or alternatively, a imperial gallon is about zero point zero four times thirty US gallons.