40 imperial cups in US gallons
Result
The conversion result is: 40 imperial cups is equivalent to 3.00237481376214 US gallons.[1]
Conversion formula
How to convert 40 imperial cups to US gallons?
We know (by definition) that: 1 brcup ≈ 0.0750593703440534 usgallon.
We can set up a proportion to solve for the number of US gallons.
1 brcup / 40 brcup ≈ 0.0750593703440534 usgallon / x usgallon
Now, we cross multiply to solve for our unknown x:
x usgallon ≈ (40 brcup / 1 brcup) * 0.0750593703440534 usgallon → x usgallon ≈ 3.002374813762136 usgallon
Conclusion:
40 brcup ≈ 3.002374813762136 usgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.333069673851596 times 40 imperial cups.
It can also be expressed as: 40 imperial cups is equal to 1 / 0.333069673851596 US gallons.
Approximation
An approximate numerical result would be: forty imperial cups is about three US gallons, or alternatively, a US gallon is about zero point three three times forty imperial cups.
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.