257 US customary cups in imperial gallons
Result
The conversion result is: 257 US customary cups is equivalent to 13.3748290906031 imperial gallons.[1]
Conversion formula
How to convert 257 US customary cups to imperial gallons?
We know (by definition) that: 1 uscup ≈ 0.0520421365393118 imperialgallon.
We can set up a proportion to solve for the number of imperial gallons.
1 uscup / 257 uscup ≈ 0.0520421365393118 imperialgallon / x imperialgallon
Now, we cross multiply to solve for our unknown x:
x imperialgallon ≈ (257 uscup / 1 uscup) * 0.0520421365393118 imperialgallon → x imperialgallon ≈ 13.374829090603132 imperialgallon
Conclusion:
257 uscup ≈ 13.374829090603132 imperialgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial gallon is equal to 0.0747673105372672 times 257 US customary cups.
It can also be expressed as: 257 US customary cups is equal to 1 / 0.0747673105372672 imperial gallons.
Approximation
An approximate numerical result would be: two hundred and fifty-seven US customary cups is about thirteen point three six imperial gallons, or alternatively, a imperial gallon is about zero point zero seven times two hundred and fifty-seven US customary 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.