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 320 gallons into cups we have to multiply 320 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

320 gal → V_(cup)

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

V_(cup) = 320 gal × 16 cup

V_(cup) = 5120 cup

The final result is:

320 gal → 5120 cup

We conclude that 320 gallons is equivalent to 5120 cups:

320 gallons = 5120 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.0001953125 × 320 gallons.

Another way is saying that 320 gallons is equal to 1 ÷ 0.0001953125 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred twenty gallons is approximately five thousand one hundred twenty cups:

320 gal ≅ 5120 cup

An alternative is also that one cup is approximately zero times three hundred twenty 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