Conversion formula

The conversion factor from gallons to cups is 16, which means that 1 gallon is equal to 16 cups:

1 gal = 16 cup

To convert 8640 gallons into cups we have to multiply 8640 by the conversion factor in order to get the volume amount from gallons to cups. We can also form a simple proportion to calculate the result:

1 gal → 16 cup

8640 gal → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 8640 gal × 16 cup

V_(cup) = 138240 cup

The final result is:

8640 gal → 138240 cup

We conclude that 8640 gallons is equivalent to 138240 cups:

8640 gallons = 138240 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 7.2337962962963E-6 × 8640 gallons.

Another way is saying that 8640 gallons is equal to 1 ÷ 7.2337962962963E-6 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight thousand six hundred forty gallons is approximately one hundred thirty-eight thousand two hundred forty cups:

8640 gal ≅ 138240 cup

An alternative is also that one cup is approximately zero times eight thousand six hundred forty gallons.

Conversion table

gallons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from gallons to cups