18 US quarts in imperial gallons

Result

The conversion result is: 18 US quarts is equivalent to 3.74703383083045 imperial gallons.[1]

Conversion formula
How to convert 18 US quarts to imperial gallons?

We know (by definition) that: 1 usquart ≈ 0.208168546157247 imperialgallon.

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

1 usquart / 18 usquart ≈ 0.208168546157247 imperialgallon / x imperialgallon

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

x imperialgallon ≈ (18 usquart / 1 usquart) * 0.208168546157247 imperialgallon → x imperialgallon ≈ 3.7470338308304463 imperialgallon

Conclusion:

18 usquart ≈ 3.7470338308304463 imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.266877761223301 times 18 US quarts.

It can also be expressed as: 18 US quarts is equal to 1 / 0.266877761223301 imperial gallons.

Approximation

An approximate numerical result would be: eighteen US quarts is about three point seven five imperial gallons, or alternatively, a imperial gallon is about zero point two seven times eighteen US quarts.

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.