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 321 gallons into cups we have to multiply 321 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

321 gal → V_(cup)

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

V_(cup) = 321 gal × 16 cup

V_(cup) = 5136 cup

The final result is:

321 gal → 5136 cup

We conclude that 321 gallons is equivalent to 5136 cups:

321 gallons = 5136 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.00019470404984424 × 321 gallons.

Another way is saying that 321 gallons is equal to 1 ÷ 0.00019470404984424 cups.

Approximate result

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

321 gal ≅ 5136 cup

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