309 imperial cups in US gallons
Result
The conversion result is: 309 imperial cups is equivalent to 23.1933454363125 US gallons.[1]
Conversion formula
How to convert 309 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 / 309 brcup ≈ 0.0750593703440534 usgallon / x usgallon
Now, we cross multiply to solve for our unknown x:
x usgallon ≈ (309 brcup / 1 brcup) * 0.0750593703440534 usgallon → x usgallon ≈ 23.193345436312498 usgallon
Conclusion:
309 brcup ≈ 23.193345436312498 usgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.0431158153853198 times 309 imperial cups.
It can also be expressed as: 309 imperial cups is equal to 1 / 0.0431158153853198 US gallons.
Approximation
An approximate numerical result would be: three hundred and nine imperial cups is about twenty-three point one nine US gallons, or alternatively, a US gallon is about zero point zero four times three hundred and nine 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.