15 US customary cups in imperial gallons

Result

The conversion result is: 15 US customary cups is equivalent to 0.780632048089677 imperial gallons.[1]

Conversion formula
How to convert 15 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 / 15 uscup ≈ 0.0520421365393118 imperialgallon / x imperialgallon

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

x imperialgallon ≈ (15 uscup / 1 uscup) * 0.0520421365393118 imperialgallon → x imperialgallon ≈ 0.780632048089677 imperialgallon

Conclusion:

15 uscup ≈ 0.780632048089677 imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 1.28101325387185 times 15 US customary cups.

It can also be expressed as: 15 US customary cups is equal to 1 / 1.28101325387185 imperial gallons.

Approximation

An approximate numerical result would be: fifteen US customary cups is about zero point seven eight imperial gallons, or alternatively, a imperial gallon is about one point two eight times fifteen 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.